Home / 3,507.32-5,260.65-1,286.16

Finding the Fourth Proportional to 3,507.32, 5,260.65 and 1,286.16

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Solution

The fourth proportional to 3,507.32, 5,260.65 and 1,286.16 is: 1,929.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.32 : 5,260.65 = 1,286.16 : x
  2. Step 2: Convert to fraction form
    3,507.32/5,260.65 = 1,286.16/x
  3. Step 3: Cross multiply
    3,507.32x = 5,260.65 × 1,286.16
  4. Step 4: Simplify right side
    3,507.32x = 6,766,037.60
  5. Step 5: Solve for x
    x = 6,766,037.60/3,507.32
  6. Step 6: Final answer
    x = 1,929.12

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.