Home / 1,025.41-1,538.19-294.97

Finding the Fourth Proportional to 1,025.41, 1,538.19 and 294.97

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Solution

The fourth proportional to 1,025.41, 1,538.19 and 294.97 is: 442.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025.41 : 1,538.19 = 294.97 : x
  2. Step 2: Convert to fraction form
    1,025.41/1,538.19 = 294.97/x
  3. Step 3: Cross multiply
    1,025.41x = 1,538.19 × 294.97
  4. Step 4: Simplify right side
    1,025.41x = 453,719.90
  5. Step 5: Solve for x
    x = 453,719.90/1,025.41
  6. Step 6: Final answer
    x = 442.48

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Double scale
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1.5x scale

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.