Home / 3,642.06-5,452.65-2,721.90

Finding the Fourth Proportional to 3,642.06, 5,452.65 and 2,721.90

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Solution

The fourth proportional to 3,642.06, 5,452.65 and 2,721.90 is: 4,075.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.06 : 5,452.65 = 2,721.90 : x
  2. Step 2: Convert to fraction form
    3,642.06/5,452.65 = 2,721.90/x
  3. Step 3: Cross multiply
    3,642.06x = 5,452.65 × 2,721.90
  4. Step 4: Simplify right side
    3,642.06x = 14,841,568.04
  5. Step 5: Solve for x
    x = 14,841,568.04/3,642.06
  6. Step 6: Final answer
    x = 4,075.05

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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.