Home / 1,617.23-2,426.11-576.98

Finding the Fourth Proportional to 1,617.23, 2,426.11 and 576.98

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Solution

The fourth proportional to 1,617.23, 2,426.11 and 576.98 is: 865.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617.23 : 2,426.11 = 576.98 : x
  2. Step 2: Convert to fraction form
    1,617.23/2,426.11 = 576.98/x
  3. Step 3: Cross multiply
    1,617.23x = 2,426.11 × 576.98
  4. Step 4: Simplify right side
    1,617.23x = 1,399,821.57
  5. Step 5: Solve for x
    x = 1,399,821.57/1,617.23
  6. Step 6: Final answer
    x = 865.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.