Home / 2,591.42-3,561.41-2,427.39

Finding the Fourth Proportional to 2,591.42, 3,561.41 and 2,427.39

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Solution

The fourth proportional to 2,591.42, 3,561.41 and 2,427.39 is: 3,335.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.42 : 3,561.41 = 2,427.39 : x
  2. Step 2: Convert to fraction form
    2,591.42/3,561.41 = 2,427.39/x
  3. Step 3: Cross multiply
    2,591.42x = 3,561.41 × 2,427.39
  4. Step 4: Simplify right side
    2,591.42x = 8,644,937.09
  5. Step 5: Solve for x
    x = 8,644,937.09/2,591.42
  6. Step 6: Final answer
    x = 3,335.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.