Home / 3,019.28-4,527.09-1,377.20

Finding the Fourth Proportional to 3,019.28, 4,527.09 and 1,377.20

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Solution

The fourth proportional to 3,019.28, 4,527.09 and 1,377.20 is: 2,064.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.28 : 4,527.09 = 1,377.20 : x
  2. Step 2: Convert to fraction form
    3,019.28/4,527.09 = 1,377.20/x
  3. Step 3: Cross multiply
    3,019.28x = 4,527.09 × 1,377.20
  4. Step 4: Simplify right side
    3,019.28x = 6,234,719.67
  5. Step 5: Solve for x
    x = 6,234,719.67/3,019.28
  6. Step 6: Final answer
    x = 2,064.97

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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.