Home / 4,141.28-6,211.92-1,219.55

Finding the Fourth Proportional to 4,141.28, 6,211.92 and 1,219.55

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Solution

The fourth proportional to 4,141.28, 6,211.92 and 1,219.55 is: 1,829.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,141.28 : 6,211.92 = 1,219.55 : x
  2. Step 2: Convert to fraction form
    4,141.28/6,211.92 = 1,219.55/x
  3. Step 3: Cross multiply
    4,141.28x = 6,211.92 × 1,219.55
  4. Step 4: Simplify right side
    4,141.28x = 7,575,715.98
  5. Step 5: Solve for x
    x = 7,575,715.98/4,141.28
  6. Step 6: Final answer
    x = 1,829.32

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Similar ratio
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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.