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Finding the Fourth Proportional to 1,035.81, 1,550.34 and 937.35

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Solution

The fourth proportional to 1,035.81, 1,550.34 and 937.35 is: 1,402.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035.81 : 1,550.34 = 937.35 : x
  2. Step 2: Convert to fraction form
    1,035.81/1,550.34 = 937.35/x
  3. Step 3: Cross multiply
    1,035.81x = 1,550.34 × 937.35
  4. Step 4: Simplify right side
    1,035.81x = 1,453,211.20
  5. Step 5: Solve for x
    x = 1,453,211.20/1,035.81
  6. Step 6: Final answer
    x = 1,402.97

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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.