Home / 2,262.58-3,122.15-1,267.65

Finding the Fourth Proportional to 2,262.58, 3,122.15 and 1,267.65

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Solution

The fourth proportional to 2,262.58, 3,122.15 and 1,267.65 is: 1,749.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.58 : 3,122.15 = 1,267.65 : x
  2. Step 2: Convert to fraction form
    2,262.58/3,122.15 = 1,267.65/x
  3. Step 3: Cross multiply
    2,262.58x = 3,122.15 × 1,267.65
  4. Step 4: Simplify right side
    2,262.58x = 3,957,797.81
  5. Step 5: Solve for x
    x = 3,957,797.81/2,262.58
  6. Step 6: Final answer
    x = 1,749.24

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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.