Home / 3,581.68-5,374.06-1,851.52

Finding the Fourth Proportional to 3,581.68, 5,374.06 and 1,851.52

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Solution

The fourth proportional to 3,581.68, 5,374.06 and 1,851.52 is: 2,778.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.68 : 5,374.06 = 1,851.52 : x
  2. Step 2: Convert to fraction form
    3,581.68/5,374.06 = 1,851.52/x
  3. Step 3: Cross multiply
    3,581.68x = 5,374.06 × 1,851.52
  4. Step 4: Simplify right side
    3,581.68x = 9,950,179.57
  5. Step 5: Solve for x
    x = 9,950,179.57/3,581.68
  6. Step 6: Final answer
    x = 2,778.08

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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.