Home / 1,517.41-2,278.55-943.93

Finding the Fourth Proportional to 1,517.41, 2,278.55 and 943.93

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Solution

The fourth proportional to 1,517.41, 2,278.55 and 943.93 is: 1,417.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.41 : 2,278.55 = 943.93 : x
  2. Step 2: Convert to fraction form
    1,517.41/2,278.55 = 943.93/x
  3. Step 3: Cross multiply
    1,517.41x = 2,278.55 × 943.93
  4. Step 4: Simplify right side
    1,517.41x = 2,150,791.70
  5. Step 5: Solve for x
    x = 2,150,791.70/1,517.41
  6. Step 6: Final answer
    x = 1,417.41

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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.