Home / 3,242.70-4,864.47-1,487.28

Finding the Fourth Proportional to 3,242.70, 4,864.47 and 1,487.28

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Solution

The fourth proportional to 3,242.70, 4,864.47 and 1,487.28 is: 2,231.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.70 : 4,864.47 = 1,487.28 : x
  2. Step 2: Convert to fraction form
    3,242.70/4,864.47 = 1,487.28/x
  3. Step 3: Cross multiply
    3,242.70x = 4,864.47 × 1,487.28
  4. Step 4: Simplify right side
    3,242.70x = 7,234,828.94
  5. Step 5: Solve for x
    x = 7,234,828.94/3,242.70
  6. Step 6: Final answer
    x = 2,231.11

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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.