Home / 2,515.88-3,471.68-1,453.48

Finding the Fourth Proportional to 2,515.88, 3,471.68 and 1,453.48

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Solution

The fourth proportional to 2,515.88, 3,471.68 and 1,453.48 is: 2,005.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.88 : 3,471.68 = 1,453.48 : x
  2. Step 2: Convert to fraction form
    2,515.88/3,471.68 = 1,453.48/x
  3. Step 3: Cross multiply
    2,515.88x = 3,471.68 × 1,453.48
  4. Step 4: Simplify right side
    2,515.88x = 5,046,012.40
  5. Step 5: Solve for x
    x = 5,046,012.40/2,515.88
  6. Step 6: Final answer
    x = 2,005.66

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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.