Home / 2,685.28-4,029.14-2,575.96

Finding the Fourth Proportional to 2,685.28, 4,029.14 and 2,575.96

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Solution

The fourth proportional to 2,685.28, 4,029.14 and 2,575.96 is: 3,865.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.28 : 4,029.14 = 2,575.96 : x
  2. Step 2: Convert to fraction form
    2,685.28/4,029.14 = 2,575.96/x
  3. Step 3: Cross multiply
    2,685.28x = 4,029.14 × 2,575.96
  4. Step 4: Simplify right side
    2,685.28x = 10,378,903.47
  5. Step 5: Solve for x
    x = 10,378,903.47/2,685.28
  6. Step 6: Final answer
    x = 3,865.11

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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.