Home / 1,517.61-2,093.44-1,123.95

Finding the Fourth Proportional to 1,517.61, 2,093.44 and 1,123.95

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Solution

The fourth proportional to 1,517.61, 2,093.44 and 1,123.95 is: 1,550.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.61 : 2,093.44 = 1,123.95 : x
  2. Step 2: Convert to fraction form
    1,517.61/2,093.44 = 1,123.95/x
  3. Step 3: Cross multiply
    1,517.61x = 2,093.44 × 1,123.95
  4. Step 4: Simplify right side
    1,517.61x = 2,352,921.89
  5. Step 5: Solve for x
    x = 2,352,921.89/1,517.61
  6. Step 6: Final answer
    x = 1,550.41

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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.