Home / 3,278.12-4,525.42-2,235.65

Finding the Fourth Proportional to 3,278.12, 4,525.42 and 2,235.65

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Solution

The fourth proportional to 3,278.12, 4,525.42 and 2,235.65 is: 3,086.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.12 : 4,525.42 = 2,235.65 : x
  2. Step 2: Convert to fraction form
    3,278.12/4,525.42 = 2,235.65/x
  3. Step 3: Cross multiply
    3,278.12x = 4,525.42 × 2,235.65
  4. Step 4: Simplify right side
    3,278.12x = 10,117,255.22
  5. Step 5: Solve for x
    x = 10,117,255.22/3,278.12
  6. Step 6: Final answer
    x = 3,086.30

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,279.12, 4,526.80 and 2,236.65
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.