Home / 1,397.11-2,095.60-357.14

Finding the Fourth Proportional to 1,397.11, 2,095.60 and 357.14

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Solution

The fourth proportional to 1,397.11, 2,095.60 and 357.14 is: 535.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397.11 : 2,095.60 = 357.14 : x
  2. Step 2: Convert to fraction form
    1,397.11/2,095.60 = 357.14/x
  3. Step 3: Cross multiply
    1,397.11x = 2,095.60 × 357.14
  4. Step 4: Simplify right side
    1,397.11x = 748,422.58
  5. Step 5: Solve for x
    x = 748,422.58/1,397.11
  6. Step 6: Final answer
    x = 535.69

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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.