Home / 3,397.59-5,097.20-1,317.65

Finding the Fourth Proportional to 3,397.59, 5,097.20 and 1,317.65

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Solution

The fourth proportional to 3,397.59, 5,097.20 and 1,317.65 is: 1,976.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.59 : 5,097.20 = 1,317.65 : x
  2. Step 2: Convert to fraction form
    3,397.59/5,097.20 = 1,317.65/x
  3. Step 3: Cross multiply
    3,397.59x = 5,097.20 × 1,317.65
  4. Step 4: Simplify right side
    3,397.59x = 6,716,293.51
  5. Step 5: Solve for x
    x = 6,716,293.51/3,397.59
  6. Step 6: Final answer
    x = 1,976.78

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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.