Home / 1,515.04-2,273.28-1,439.92

Finding the Fourth Proportional to 1,515.04, 2,273.28 and 1,439.92

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Solution

The fourth proportional to 1,515.04, 2,273.28 and 1,439.92 is: 2,160.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515.04 : 2,273.28 = 1,439.92 : x
  2. Step 2: Convert to fraction form
    1,515.04/2,273.28 = 1,439.92/x
  3. Step 3: Cross multiply
    1,515.04x = 2,273.28 × 1,439.92
  4. Step 4: Simplify right side
    1,515.04x = 3,273,341.34
  5. Step 5: Solve for x
    x = 3,273,341.34/1,515.04
  6. Step 6: Final answer
    x = 2,160.56

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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.