Home / 3,158.18-4,358.31-1,761.02

Finding the Fourth Proportional to 3,158.18, 4,358.31 and 1,761.02

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Solution

The fourth proportional to 3,158.18, 4,358.31 and 1,761.02 is: 2,430.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.18 : 4,358.31 = 1,761.02 : x
  2. Step 2: Convert to fraction form
    3,158.18/4,358.31 = 1,761.02/x
  3. Step 3: Cross multiply
    3,158.18x = 4,358.31 × 1,761.02
  4. Step 4: Simplify right side
    3,158.18x = 7,675,071.08
  5. Step 5: Solve for x
    x = 7,675,071.08/3,158.18
  6. Step 6: Final answer
    x = 2,430.22

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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.