Home / 1,027.10-1,540.70-296.71

Finding the Fourth Proportional to 1,027.10, 1,540.70 and 296.71

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Solution

The fourth proportional to 1,027.10, 1,540.70 and 296.71 is: 445.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027.10 : 1,540.70 = 296.71 : x
  2. Step 2: Convert to fraction form
    1,027.10/1,540.70 = 296.71/x
  3. Step 3: Cross multiply
    1,027.10x = 1,540.70 × 296.71
  4. Step 4: Simplify right side
    1,027.10x = 457,141.10
  5. Step 5: Solve for x
    x = 457,141.10/1,027.10
  6. Step 6: Final answer
    x = 445.08

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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.