Home / 3,491.28-5,239.08-2,564.55

Finding the Fourth Proportional to 3,491.28, 5,239.08 and 2,564.55

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Solution

The fourth proportional to 3,491.28, 5,239.08 and 2,564.55 is: 3,848.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.28 : 5,239.08 = 2,564.55 : x
  2. Step 2: Convert to fraction form
    3,491.28/5,239.08 = 2,564.55/x
  3. Step 3: Cross multiply
    3,491.28x = 5,239.08 × 2,564.55
  4. Step 4: Simplify right side
    3,491.28x = 13,435,882.61
  5. Step 5: Solve for x
    x = 13,435,882.61/3,491.28
  6. Step 6: Final answer
    x = 3,848.41

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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.