Home / 2,276.87-3,132.68-2,211.26

Finding the Fourth Proportional to 2,276.87, 3,132.68 and 2,211.26

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Solution

The fourth proportional to 2,276.87, 3,132.68 and 2,211.26 is: 3,042.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.87 : 3,132.68 = 2,211.26 : x
  2. Step 2: Convert to fraction form
    2,276.87/3,132.68 = 2,211.26/x
  3. Step 3: Cross multiply
    2,276.87x = 3,132.68 × 2,211.26
  4. Step 4: Simplify right side
    2,276.87x = 6,927,143.26
  5. Step 5: Solve for x
    x = 6,927,143.26/2,276.87
  6. Step 6: Final answer
    x = 3,042.40

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1.5x scale

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.