Home / 2,581.23-3,886.44-2,275.05

Finding the Fourth Proportional to 2,581.23, 3,886.44 and 2,275.05

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Solution

The fourth proportional to 2,581.23, 3,886.44 and 2,275.05 is: 3,425.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.23 : 3,886.44 = 2,275.05 : x
  2. Step 2: Convert to fraction form
    2,581.23/3,886.44 = 2,275.05/x
  3. Step 3: Cross multiply
    2,581.23x = 3,886.44 × 2,275.05
  4. Step 4: Simplify right side
    2,581.23x = 8,841,845.32
  5. Step 5: Solve for x
    x = 8,841,845.32/2,581.23
  6. Step 6: Final answer
    x = 3,425.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.