Home / 2,515.43-3,471.44-1,453.39

Finding the Fourth Proportional to 2,515.43, 3,471.44 and 1,453.39

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Solution

The fourth proportional to 2,515.43, 3,471.44 and 1,453.39 is: 2,005.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.43 : 3,471.44 = 1,453.39 : x
  2. Step 2: Convert to fraction form
    2,515.43/3,471.44 = 1,453.39/x
  3. Step 3: Cross multiply
    2,515.43x = 3,471.44 × 1,453.39
  4. Step 4: Simplify right side
    2,515.43x = 5,045,356.18
  5. Step 5: Solve for x
    x = 5,045,356.18/2,515.43
  6. Step 6: Final answer
    x = 2,005.76

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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.