Home / 1,610.25-2,411.24-1,115.95

Finding the Fourth Proportional to 1,610.25, 2,411.24 and 1,115.95

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Solution

The fourth proportional to 1,610.25, 2,411.24 and 1,115.95 is: 1,671.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610.25 : 2,411.24 = 1,115.95 : x
  2. Step 2: Convert to fraction form
    1,610.25/2,411.24 = 1,115.95/x
  3. Step 3: Cross multiply
    1,610.25x = 2,411.24 × 1,115.95
  4. Step 4: Simplify right side
    1,610.25x = 2,690,820.49
  5. Step 5: Solve for x
    x = 2,690,820.49/1,610.25
  6. Step 6: Final answer
    x = 1,671.06

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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.