Home / 3,642.17-5,460.97-1,561.02

Finding the Fourth Proportional to 3,642.17, 5,460.97 and 1,561.02

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Solution

The fourth proportional to 3,642.17, 5,460.97 and 1,561.02 is: 2,340.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.17 : 5,460.97 = 1,561.02 : x
  2. Step 2: Convert to fraction form
    3,642.17/5,460.97 = 1,561.02/x
  3. Step 3: Cross multiply
    3,642.17x = 5,460.97 × 1,561.02
  4. Step 4: Simplify right side
    3,642.17x = 8,524,692.65
  5. Step 5: Solve for x
    x = 8,524,692.65/3,642.17
  6. Step 6: Final answer
    x = 2,340.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.