Home / 3,865.92-5,337.28-2,541.84

Finding the Fourth Proportional to 3,865.92, 5,337.28 and 2,541.84

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Solution

The fourth proportional to 3,865.92, 5,337.28 and 2,541.84 is: 3,509.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.92 : 5,337.28 = 2,541.84 : x
  2. Step 2: Convert to fraction form
    3,865.92/5,337.28 = 2,541.84/x
  3. Step 3: Cross multiply
    3,865.92x = 5,337.28 × 2,541.84
  4. Step 4: Simplify right side
    3,865.92x = 13,566,511.80
  5. Step 5: Solve for x
    x = 13,566,511.80/3,865.92
  6. Step 6: Final answer
    x = 3,509.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.