Home / 3,204.56-4,809.01-1,124.55

Finding the Fourth Proportional to 3,204.56, 4,809.01 and 1,124.55

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Solution

The fourth proportional to 3,204.56, 4,809.01 and 1,124.55 is: 1,687.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.56 : 4,809.01 = 1,124.55 : x
  2. Step 2: Convert to fraction form
    3,204.56/4,809.01 = 1,124.55/x
  3. Step 3: Cross multiply
    3,204.56x = 4,809.01 × 1,124.55
  4. Step 4: Simplify right side
    3,204.56x = 5,407,972.20
  5. Step 5: Solve for x
    x = 5,407,972.20/3,204.56
  6. Step 6: Final answer
    x = 1,687.59

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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.