Home / 2,515.65-3,471.06-1,520.73

Finding the Fourth Proportional to 2,515.65, 3,471.06 and 1,520.73

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Solution

The fourth proportional to 2,515.65, 3,471.06 and 1,520.73 is: 2,098.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.65 : 3,471.06 = 1,520.73 : x
  2. Step 2: Convert to fraction form
    2,515.65/3,471.06 = 1,520.73/x
  3. Step 3: Cross multiply
    2,515.65x = 3,471.06 × 1,520.73
  4. Step 4: Simplify right side
    2,515.65x = 5,278,545.07
  5. Step 5: Solve for x
    x = 5,278,545.07/2,515.65
  6. Step 6: Final answer
    x = 2,098.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.