Home / 1,517.47-2,093.65-927.39

Finding the Fourth Proportional to 1,517.47, 2,093.65 and 927.39

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Solution

The fourth proportional to 1,517.47, 2,093.65 and 927.39 is: 1,279.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.47 : 2,093.65 = 927.39 : x
  2. Step 2: Convert to fraction form
    1,517.47/2,093.65 = 927.39/x
  3. Step 3: Cross multiply
    1,517.47x = 2,093.65 × 927.39
  4. Step 4: Simplify right side
    1,517.47x = 1,941,630.07
  5. Step 5: Solve for x
    x = 1,941,630.07/1,517.47
  6. Step 6: Final answer
    x = 1,279.52

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1.5x scale

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.