Home / 3,395.39-4,685.38-2,068.88

Finding the Fourth Proportional to 3,395.39, 4,685.38 and 2,068.88

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Solution

The fourth proportional to 3,395.39, 4,685.38 and 2,068.88 is: 2,854.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.39 : 4,685.38 = 2,068.88 : x
  2. Step 2: Convert to fraction form
    3,395.39/4,685.38 = 2,068.88/x
  3. Step 3: Cross multiply
    3,395.39x = 4,685.38 × 2,068.88
  4. Step 4: Simplify right side
    3,395.39x = 9,693,488.97
  5. Step 5: Solve for x
    x = 9,693,488.97/3,395.39
  6. Step 6: Final answer
    x = 2,854.90

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1.5x scale

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.