Home / 1,716.39-2,561.46-1,531.85

Finding the Fourth Proportional to 1,716.39, 2,561.46 and 1,531.85

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Solution

The fourth proportional to 1,716.39, 2,561.46 and 1,531.85 is: 2,286.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.39 : 2,561.46 = 1,531.85 : x
  2. Step 2: Convert to fraction form
    1,716.39/2,561.46 = 1,531.85/x
  3. Step 3: Cross multiply
    1,716.39x = 2,561.46 × 1,531.85
  4. Step 4: Simplify right side
    1,716.39x = 3,923,753.95
  5. Step 5: Solve for x
    x = 3,923,753.95/1,716.39
  6. Step 6: Final answer
    x = 2,286.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.