Home / 3,432.75-5,148.89-1,790.22

Finding the Fourth Proportional to 3,432.75, 5,148.89 and 1,790.22

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Solution

The fourth proportional to 3,432.75, 5,148.89 and 1,790.22 is: 2,685.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.75 : 5,148.89 = 1,790.22 : x
  2. Step 2: Convert to fraction form
    3,432.75/5,148.89 = 1,790.22/x
  3. Step 3: Cross multiply
    3,432.75x = 5,148.89 × 1,790.22
  4. Step 4: Simplify right side
    3,432.75x = 9,217,636.90
  5. Step 5: Solve for x
    x = 9,217,636.90/3,432.75
  6. Step 6: Final answer
    x = 2,685.20

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1.5x scale

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.