Home / 3,862.90-5,794.35-1,397.14

Finding the Fourth Proportional to 3,862.90, 5,794.35 and 1,397.14

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Solution

The fourth proportional to 3,862.90, 5,794.35 and 1,397.14 is: 2,095.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.90 : 5,794.35 = 1,397.14 : x
  2. Step 2: Convert to fraction form
    3,862.90/5,794.35 = 1,397.14/x
  3. Step 3: Cross multiply
    3,862.90x = 5,794.35 × 1,397.14
  4. Step 4: Simplify right side
    3,862.90x = 8,095,511.17
  5. Step 5: Solve for x
    x = 8,095,511.17/3,862.90
  6. Step 6: Final answer
    x = 2,095.71

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Double scale
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Similar ratio
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1.5x scale

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.