Home / 2,275.26-3,410.64-959.38

Finding the Fourth Proportional to 2,275.26, 3,410.64 and 959.38

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Solution

The fourth proportional to 2,275.26, 3,410.64 and 959.38 is: 1,438.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.26 : 3,410.64 = 959.38 : x
  2. Step 2: Convert to fraction form
    2,275.26/3,410.64 = 959.38/x
  3. Step 3: Cross multiply
    2,275.26x = 3,410.64 × 959.38
  4. Step 4: Simplify right side
    2,275.26x = 3,272,099.80
  5. Step 5: Solve for x
    x = 3,272,099.80/2,275.26
  6. Step 6: Final answer
    x = 1,438.12

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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.