Home / 3,530.64-5,287.14-2,491.68

Finding the Fourth Proportional to 3,530.64, 5,287.14 and 2,491.68

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Solution

The fourth proportional to 3,530.64, 5,287.14 and 2,491.68 is: 3,731.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.64 : 5,287.14 = 2,491.68 : x
  2. Step 2: Convert to fraction form
    3,530.64/5,287.14 = 2,491.68/x
  3. Step 3: Cross multiply
    3,530.64x = 5,287.14 × 2,491.68
  4. Step 4: Simplify right side
    3,530.64x = 13,173,861.00
  5. Step 5: Solve for x
    x = 13,173,861.00/3,530.64
  6. Step 6: Final answer
    x = 3,731.30

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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.