Home / 2,275.10-3,412.65-2,069.90

Finding the Fourth Proportional to 2,275.10, 3,412.65 and 2,069.90

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Solution

The fourth proportional to 2,275.10, 3,412.65 and 2,069.90 is: 3,104.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.10 : 3,412.65 = 2,069.90 : x
  2. Step 2: Convert to fraction form
    2,275.10/3,412.65 = 2,069.90/x
  3. Step 3: Cross multiply
    2,275.10x = 3,412.65 × 2,069.90
  4. Step 4: Simplify right side
    2,275.10x = 7,063,844.24
  5. Step 5: Solve for x
    x = 7,063,844.24/2,275.10
  6. Step 6: Final answer
    x = 3,104.85

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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.