Home / 1,631.59-2,251.54-932.96

Finding the Fourth Proportional to 1,631.59, 2,251.54 and 932.96

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Solution

The fourth proportional to 1,631.59, 2,251.54 and 932.96 is: 1,287.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.59 : 2,251.54 = 932.96 : x
  2. Step 2: Convert to fraction form
    1,631.59/2,251.54 = 932.96/x
  3. Step 3: Cross multiply
    1,631.59x = 2,251.54 × 932.96
  4. Step 4: Simplify right side
    1,631.59x = 2,100,596.76
  5. Step 5: Solve for x
    x = 2,100,596.76/1,631.59
  6. Step 6: Final answer
    x = 1,287.45

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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.