Home / 3,737.67-5,606.55-1,272.30

Finding the Fourth Proportional to 3,737.67, 5,606.55 and 1,272.30

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Solution

The fourth proportional to 3,737.67, 5,606.55 and 1,272.30 is: 1,908.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,737.67 : 5,606.55 = 1,272.30 : x
  2. Step 2: Convert to fraction form
    3,737.67/5,606.55 = 1,272.30/x
  3. Step 3: Cross multiply
    3,737.67x = 5,606.55 × 1,272.30
  4. Step 4: Simplify right side
    3,737.67x = 7,133,213.57
  5. Step 5: Solve for x
    x = 7,133,213.57/3,737.67
  6. Step 6: Final answer
    x = 1,908.47

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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.