Home / 3,366.40-5,049.84-1,057.90

Finding the Fourth Proportional to 3,366.40, 5,049.84 and 1,057.90

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Solution

The fourth proportional to 3,366.40, 5,049.84 and 1,057.90 is: 1,586.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.40 : 5,049.84 = 1,057.90 : x
  2. Step 2: Convert to fraction form
    3,366.40/5,049.84 = 1,057.90/x
  3. Step 3: Cross multiply
    3,366.40x = 5,049.84 × 1,057.90
  4. Step 4: Simplify right side
    3,366.40x = 5,342,225.74
  5. Step 5: Solve for x
    x = 5,342,225.74/3,366.40
  6. Step 6: Final answer
    x = 1,586.93

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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.