Home / 1,517.14-2,093.25-853.93

Finding the Fourth Proportional to 1,517.14, 2,093.25 and 853.93

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Solution

The fourth proportional to 1,517.14, 2,093.25 and 853.93 is: 1,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.14 : 2,093.25 = 853.93 : x
  2. Step 2: Convert to fraction form
    1,517.14/2,093.25 = 853.93/x
  3. Step 3: Cross multiply
    1,517.14x = 2,093.25 × 853.93
  4. Step 4: Simplify right side
    1,517.14x = 1,787,488.97
  5. Step 5: Solve for x
    x = 1,787,488.97/1,517.14
  6. Step 6: Final answer
    x = 1,178.20

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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.