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Finding the Fourth Proportional to 3,737.81, 5,606.65 and 1,274.34

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Solution

The fourth proportional to 3,737.81, 5,606.65 and 1,274.34 is: 1,911.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,737.81 : 5,606.65 = 1,274.34 : x
  2. Step 2: Convert to fraction form
    3,737.81/5,606.65 = 1,274.34/x
  3. Step 3: Cross multiply
    3,737.81x = 5,606.65 × 1,274.34
  4. Step 4: Simplify right side
    3,737.81x = 7,144,775.18
  5. Step 5: Solve for x
    x = 7,144,775.18/3,737.81
  6. Step 6: Final answer
    x = 1,911.49

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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.