Home / 3,020.13-4,167.72-1,761.93

Finding the Fourth Proportional to 3,020.13, 4,167.72 and 1,761.93

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Solution

The fourth proportional to 3,020.13, 4,167.72 and 1,761.93 is: 2,431.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.13 : 4,167.72 = 1,761.93 : x
  2. Step 2: Convert to fraction form
    3,020.13/4,167.72 = 1,761.93/x
  3. Step 3: Cross multiply
    3,020.13x = 4,167.72 × 1,761.93
  4. Step 4: Simplify right side
    3,020.13x = 7,343,230.90
  5. Step 5: Solve for x
    x = 7,343,230.90/3,020.13
  6. Step 6: Final answer
    x = 2,431.43

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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.