Home / 1,743.43-2,406.39-1,079.91

Finding the Fourth Proportional to 1,743.43, 2,406.39 and 1,079.91

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Solution

The fourth proportional to 1,743.43, 2,406.39 and 1,079.91 is: 1,490.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.43 : 2,406.39 = 1,079.91 : x
  2. Step 2: Convert to fraction form
    1,743.43/2,406.39 = 1,079.91/x
  3. Step 3: Cross multiply
    1,743.43x = 2,406.39 × 1,079.91
  4. Step 4: Simplify right side
    1,743.43x = 2,598,672.59
  5. Step 5: Solve for x
    x = 2,598,672.59/1,743.43
  6. Step 6: Final answer
    x = 1,490.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.