Home / 1,702.19-2,542.94-1,080.92

Finding the Fourth Proportional to 1,702.19, 2,542.94 and 1,080.92

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Solution

The fourth proportional to 1,702.19, 2,542.94 and 1,080.92 is: 1,614.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702.19 : 2,542.94 = 1,080.92 : x
  2. Step 2: Convert to fraction form
    1,702.19/2,542.94 = 1,080.92/x
  3. Step 3: Cross multiply
    1,702.19x = 2,542.94 × 1,080.92
  4. Step 4: Simplify right side
    1,702.19x = 2,748,714.70
  5. Step 5: Solve for x
    x = 2,748,714.70/1,702.19
  6. Step 6: Final answer
    x = 1,614.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.