Home / 3,153.28-4,732.36-2,538.50

Finding the Fourth Proportional to 3,153.28, 4,732.36 and 2,538.50

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Solution

The fourth proportional to 3,153.28, 4,732.36 and 2,538.50 is: 3,809.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.28 : 4,732.36 = 2,538.50 : x
  2. Step 2: Convert to fraction form
    3,153.28/4,732.36 = 2,538.50/x
  3. Step 3: Cross multiply
    3,153.28x = 4,732.36 × 2,538.50
  4. Step 4: Simplify right side
    3,153.28x = 12,013,095.86
  5. Step 5: Solve for x
    x = 12,013,095.86/3,153.28
  6. Step 6: Final answer
    x = 3,809.71

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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.