Home / 2,515.76-3,471.14-1,631.44

Finding the Fourth Proportional to 2,515.76, 3,471.14 and 1,631.44

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Solution

The fourth proportional to 2,515.76, 3,471.14 and 1,631.44 is: 2,250.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.76 : 3,471.14 = 1,631.44 : x
  2. Step 2: Convert to fraction form
    2,515.76/3,471.14 = 1,631.44/x
  3. Step 3: Cross multiply
    2,515.76x = 3,471.14 × 1,631.44
  4. Step 4: Simplify right side
    2,515.76x = 5,662,956.64
  5. Step 5: Solve for x
    x = 5,662,956.64/2,515.76
  6. Step 6: Final answer
    x = 2,250.99

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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.