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Finding the Fourth Proportional to 3,737.22, 5,612.15 and 3,588.22

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Solution

The fourth proportional to 3,737.22, 5,612.15 and 3,588.22 is: 5,388.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,737.22 : 5,612.15 = 3,588.22 : x
  2. Step 2: Convert to fraction form
    3,737.22/5,612.15 = 3,588.22/x
  3. Step 3: Cross multiply
    3,737.22x = 5,612.15 × 3,588.22
  4. Step 4: Simplify right side
    3,737.22x = 20,137,628.87
  5. Step 5: Solve for x
    x = 20,137,628.87/3,737.22
  6. Step 6: Final answer
    x = 5,388.40

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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.