Home / 2,275.30-3,417.36-2,185.54

Finding the Fourth Proportional to 2,275.30, 3,417.36 and 2,185.54

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Solution

The fourth proportional to 2,275.30, 3,417.36 and 2,185.54 is: 3,282.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.30 : 3,417.36 = 2,185.54 : x
  2. Step 2: Convert to fraction form
    2,275.30/3,417.36 = 2,185.54/x
  3. Step 3: Cross multiply
    2,275.30x = 3,417.36 × 2,185.54
  4. Step 4: Simplify right side
    2,275.30x = 7,468,776.97
  5. Step 5: Solve for x
    x = 7,468,776.97/2,275.30
  6. Step 6: Final answer
    x = 3,282.55

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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.