Home / 3,630.90-5,443.56-1,549.62

Finding the Fourth Proportional to 3,630.90, 5,443.56 and 1,549.62

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Solution

The fourth proportional to 3,630.90, 5,443.56 and 1,549.62 is: 2,323.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.90 : 5,443.56 = 1,549.62 : x
  2. Step 2: Convert to fraction form
    3,630.90/5,443.56 = 1,549.62/x
  3. Step 3: Cross multiply
    3,630.90x = 5,443.56 × 1,549.62
  4. Step 4: Simplify right side
    3,630.90x = 8,435,449.45
  5. Step 5: Solve for x
    x = 8,435,449.45/3,630.90
  6. Step 6: Final answer
    x = 2,323.24

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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.