Home / 3,397.65-5,092.03-1,315.59

Finding the Fourth Proportional to 3,397.65, 5,092.03 and 1,315.59

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Solution

The fourth proportional to 3,397.65, 5,092.03 and 1,315.59 is: 1,971.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.65 : 5,092.03 = 1,315.59 : x
  2. Step 2: Convert to fraction form
    3,397.65/5,092.03 = 1,315.59/x
  3. Step 3: Cross multiply
    3,397.65x = 5,092.03 × 1,315.59
  4. Step 4: Simplify right side
    3,397.65x = 6,699,023.75
  5. Step 5: Solve for x
    x = 6,699,023.75/3,397.65
  6. Step 6: Final answer
    x = 1,971.66

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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.