Home / 2,275.19-3,141.31-1,677.75

Finding the Fourth Proportional to 2,275.19, 3,141.31 and 1,677.75

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Solution

The fourth proportional to 2,275.19, 3,141.31 and 1,677.75 is: 2,316.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.19 : 3,141.31 = 1,677.75 : x
  2. Step 2: Convert to fraction form
    2,275.19/3,141.31 = 1,677.75/x
  3. Step 3: Cross multiply
    2,275.19x = 3,141.31 × 1,677.75
  4. Step 4: Simplify right side
    2,275.19x = 5,270,332.85
  5. Step 5: Solve for x
    x = 5,270,332.85/2,275.19
  6. Step 6: Final answer
    x = 2,316.44

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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.