Home / 1,617.11-2,426.15-959.60

Finding the Fourth Proportional to 1,617.11, 2,426.15 and 959.60

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Solution

The fourth proportional to 1,617.11, 2,426.15 and 959.60 is: 1,439.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617.11 : 2,426.15 = 959.60 : x
  2. Step 2: Convert to fraction form
    1,617.11/2,426.15 = 959.60/x
  3. Step 3: Cross multiply
    1,617.11x = 2,426.15 × 959.60
  4. Step 4: Simplify right side
    1,617.11x = 2,328,128.36
  5. Step 5: Solve for x
    x = 2,328,128.36/1,617.11
  6. Step 6: Final answer
    x = 1,439.68

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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.