Home / 1,025.12-1,537.66-294.70

Finding the Fourth Proportional to 1,025.12, 1,537.66 and 294.70

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Solution

The fourth proportional to 1,025.12, 1,537.66 and 294.70 is: 442.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025.12 : 1,537.66 = 294.70 : x
  2. Step 2: Convert to fraction form
    1,025.12/1,537.66 = 294.70/x
  3. Step 3: Cross multiply
    1,025.12x = 1,537.66 × 294.70
  4. Step 4: Simplify right side
    1,025.12x = 453,148.40
  5. Step 5: Solve for x
    x = 453,148.40/1,025.12
  6. Step 6: Final answer
    x = 442.04

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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.