Home / 1,517.18-2,276.31-935.93

Finding the Fourth Proportional to 1,517.18, 2,276.31 and 935.93

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Solution

The fourth proportional to 1,517.18, 2,276.31 and 935.93 is: 1,404.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.18 : 2,276.31 = 935.93 : x
  2. Step 2: Convert to fraction form
    1,517.18/2,276.31 = 935.93/x
  3. Step 3: Cross multiply
    1,517.18x = 2,276.31 × 935.93
  4. Step 4: Simplify right side
    1,517.18x = 2,130,455.44
  5. Step 5: Solve for x
    x = 2,130,455.44/1,517.18
  6. Step 6: Final answer
    x = 1,404.23

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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.