Home / 3,015.91-4,521.30-1,371.88

Finding the Fourth Proportional to 3,015.91, 4,521.30 and 1,371.88

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Solution

The fourth proportional to 3,015.91, 4,521.30 and 1,371.88 is: 2,056.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.91 : 4,521.30 = 1,371.88 : x
  2. Step 2: Convert to fraction form
    3,015.91/4,521.30 = 1,371.88/x
  3. Step 3: Cross multiply
    3,015.91x = 4,521.30 × 1,371.88
  4. Step 4: Simplify right side
    3,015.91x = 6,202,681.04
  5. Step 5: Solve for x
    x = 6,202,681.04/3,015.91
  6. Step 6: Final answer
    x = 2,056.65

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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.