Home / 1,632.28-2,251.60-1,042.15

Finding the Fourth Proportional to 1,632.28, 2,251.60 and 1,042.15

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Solution

The fourth proportional to 1,632.28, 2,251.60 and 1,042.15 is: 1,437.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.28 : 2,251.60 = 1,042.15 : x
  2. Step 2: Convert to fraction form
    1,632.28/2,251.60 = 1,042.15/x
  3. Step 3: Cross multiply
    1,632.28x = 2,251.60 × 1,042.15
  4. Step 4: Simplify right side
    1,632.28x = 2,346,504.94
  5. Step 5: Solve for x
    x = 2,346,504.94/1,632.28
  6. Step 6: Final answer
    x = 1,437.56

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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.