Home / 3,091.13-4,265.76-1,693.88

Finding the Fourth Proportional to 3,091.13, 4,265.76 and 1,693.88

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Solution

The fourth proportional to 3,091.13, 4,265.76 and 1,693.88 is: 2,337.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.13 : 4,265.76 = 1,693.88 : x
  2. Step 2: Convert to fraction form
    3,091.13/4,265.76 = 1,693.88/x
  3. Step 3: Cross multiply
    3,091.13x = 4,265.76 × 1,693.88
  4. Step 4: Simplify right side
    3,091.13x = 7,225,685.55
  5. Step 5: Solve for x
    x = 7,225,685.55/3,091.13
  6. Step 6: Final answer
    x = 2,337.55

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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.