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Finding the Fourth Proportional to 1,737.28, 2,607.46 and 813.34

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Solution

The fourth proportional to 1,737.28, 2,607.46 and 813.34 is: 1,220.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,737.28 : 2,607.46 = 813.34 : x
  2. Step 2: Convert to fraction form
    1,737.28/2,607.46 = 813.34/x
  3. Step 3: Cross multiply
    1,737.28x = 2,607.46 × 813.34
  4. Step 4: Simplify right side
    1,737.28x = 2,120,751.52
  5. Step 5: Solve for x
    x = 2,120,751.52/1,737.28
  6. Step 6: Final answer
    x = 1,220.73

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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.