Home / 3,134.38-4,688.57-2,388.35

Finding the Fourth Proportional to 3,134.38, 4,688.57 and 2,388.35

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Solution

The fourth proportional to 3,134.38, 4,688.57 and 2,388.35 is: 3,572.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.38 : 4,688.57 = 2,388.35 : x
  2. Step 2: Convert to fraction form
    3,134.38/4,688.57 = 2,388.35/x
  3. Step 3: Cross multiply
    3,134.38x = 4,688.57 × 2,388.35
  4. Step 4: Simplify right side
    3,134.38x = 11,197,946.16
  5. Step 5: Solve for x
    x = 11,197,946.16/3,134.38
  6. Step 6: Final answer
    x = 3,572.62

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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.