Home / 2,785.39-4,175.19-1,743.01

Finding the Fourth Proportional to 2,785.39, 4,175.19 and 1,743.01

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Solution

The fourth proportional to 2,785.39, 4,175.19 and 1,743.01 is: 2,612.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.39 : 4,175.19 = 1,743.01 : x
  2. Step 2: Convert to fraction form
    2,785.39/4,175.19 = 1,743.01/x
  3. Step 3: Cross multiply
    2,785.39x = 4,175.19 × 1,743.01
  4. Step 4: Simplify right side
    2,785.39x = 7,277,387.48
  5. Step 5: Solve for x
    x = 7,277,387.48/2,785.39
  6. Step 6: Final answer
    x = 2,612.70

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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.