Home / 2,542.22-3,509.33-1,547.85

Finding the Fourth Proportional to 2,542.22, 3,509.33 and 1,547.85

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Solution

The fourth proportional to 2,542.22, 3,509.33 and 1,547.85 is: 2,136.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.22 : 3,509.33 = 1,547.85 : x
  2. Step 2: Convert to fraction form
    2,542.22/3,509.33 = 1,547.85/x
  3. Step 3: Cross multiply
    2,542.22x = 3,509.33 × 1,547.85
  4. Step 4: Simplify right side
    2,542.22x = 5,431,908.70
  5. Step 5: Solve for x
    x = 5,431,908.70/2,542.22
  6. Step 6: Final answer
    x = 2,136.68

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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.