Home / 2,262.42-3,122.11-1,267.69

Finding the Fourth Proportional to 2,262.42, 3,122.11 and 1,267.69

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Solution

The fourth proportional to 2,262.42, 3,122.11 and 1,267.69 is: 1,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.42 : 3,122.11 = 1,267.69 : x
  2. Step 2: Convert to fraction form
    2,262.42/3,122.11 = 1,267.69/x
  3. Step 3: Cross multiply
    2,262.42x = 3,122.11 × 1,267.69
  4. Step 4: Simplify right side
    2,262.42x = 3,957,867.63
  5. Step 5: Solve for x
    x = 3,957,867.63/2,262.42
  6. Step 6: Final answer
    x = 1,749.40

Related Problems

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Half scale
Find fourth proportional to 4,524.84, 6,244.22 and 2,535.38
Double scale
Find fourth proportional to 2,263.42, 3,123.49 and 1,268.69
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.