Home / 3,081.13-4,251.95-1,683.88

Finding the Fourth Proportional to 3,081.13, 4,251.95 and 1,683.88

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Solution

The fourth proportional to 3,081.13, 4,251.95 and 1,683.88 is: 2,323.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.13 : 4,251.95 = 1,683.88 : x
  2. Step 2: Convert to fraction form
    3,081.13/4,251.95 = 1,683.88/x
  3. Step 3: Cross multiply
    3,081.13x = 4,251.95 × 1,683.88
  4. Step 4: Simplify right side
    3,081.13x = 7,159,773.57
  5. Step 5: Solve for x
    x = 7,159,773.57/3,081.13
  6. Step 6: Final answer
    x = 2,323.75

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