Home / 4,189.67-5,781.52-2,397.18

Finding the Fourth Proportional to 4,189.67, 5,781.52 and 2,397.18

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Solution

The fourth proportional to 4,189.67, 5,781.52 and 2,397.18 is: 3,307.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.67 : 5,781.52 = 2,397.18 : x
  2. Step 2: Convert to fraction form
    4,189.67/5,781.52 = 2,397.18/x
  3. Step 3: Cross multiply
    4,189.67x = 5,781.52 × 2,397.18
  4. Step 4: Simplify right side
    4,189.67x = 13,859,344.11
  5. Step 5: Solve for x
    x = 13,859,344.11/4,189.67
  6. Step 6: Final answer
    x = 3,307.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.