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Finding the Fourth Proportional to 3,737.15, 5,604.64 and 1,981.29

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Solution

The fourth proportional to 3,737.15, 5,604.64 and 1,981.29 is: 2,971.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,737.15 : 5,604.64 = 1,981.29 : x
  2. Step 2: Convert to fraction form
    3,737.15/5,604.64 = 1,981.29/x
  3. Step 3: Cross multiply
    3,737.15x = 5,604.64 × 1,981.29
  4. Step 4: Simplify right side
    3,737.15x = 11,104,397.11
  5. Step 5: Solve for x
    x = 11,104,397.11/3,737.15
  6. Step 6: Final answer
    x = 2,971.35

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1.5x scale

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.