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Finding the Fourth Proportional to 937.23, 1,293.03 and 751.20

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Solution

The fourth proportional to 937.23, 1,293.03 and 751.20 is: 1,036.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.23 : 1,293.03 = 751.20 : x
  2. Step 2: Convert to fraction form
    937.23/1,293.03 = 751.20/x
  3. Step 3: Cross multiply
    937.23x = 1,293.03 × 751.20
  4. Step 4: Simplify right side
    937.23x = 971,324.14
  5. Step 5: Solve for x
    x = 971,324.14/937.23
  6. Step 6: Final answer
    x = 1,036.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.