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Finding the Fourth Proportional to 3,752, 5,177.74 and 2,073.32

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Solution

The fourth proportional to 3,752, 5,177.74 and 2,073.32 is: 2,861.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752 : 5,177.74 = 2,073.32 : x
  2. Step 2: Convert to fraction form
    3,752/5,177.74 = 2,073.32/x
  3. Step 3: Cross multiply
    3,752x = 5,177.74 × 2,073.32
  4. Step 4: Simplify right side
    3,752x = 10,735,111.90
  5. Step 5: Solve for x
    x = 10,735,111.90/3,752
  6. Step 6: Final answer
    x = 2,861.17

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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.