Home / 3,397.14-5,095.86-1,317.21

Finding the Fourth Proportional to 3,397.14, 5,095.86 and 1,317.21

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Solution

The fourth proportional to 3,397.14, 5,095.86 and 1,317.21 is: 1,975.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.14 : 5,095.86 = 1,317.21 : x
  2. Step 2: Convert to fraction form
    3,397.14/5,095.86 = 1,317.21/x
  3. Step 3: Cross multiply
    3,397.14x = 5,095.86 × 1,317.21
  4. Step 4: Simplify right side
    3,397.14x = 6,712,329.78
  5. Step 5: Solve for x
    x = 6,712,329.78/3,397.14
  6. Step 6: Final answer
    x = 1,975.88

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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.