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Finding the Fourth Proportional to 1,353.92, 2,029.93 and 737.91

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Solution

The fourth proportional to 1,353.92, 2,029.93 and 737.91 is: 1,106.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353.92 : 2,029.93 = 737.91 : x
  2. Step 2: Convert to fraction form
    1,353.92/2,029.93 = 737.91/x
  3. Step 3: Cross multiply
    1,353.92x = 2,029.93 × 737.91
  4. Step 4: Simplify right side
    1,353.92x = 1,497,903.80
  5. Step 5: Solve for x
    x = 1,497,903.80/1,353.92
  6. Step 6: Final answer
    x = 1,106.35

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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.