Home / 2,251.44-3,380.76-1,696.20

Finding the Fourth Proportional to 2,251.44, 3,380.76 and 1,696.20

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Solution

The fourth proportional to 2,251.44, 3,380.76 and 1,696.20 is: 2,547.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.44 : 3,380.76 = 1,696.20 : x
  2. Step 2: Convert to fraction form
    2,251.44/3,380.76 = 1,696.20/x
  3. Step 3: Cross multiply
    2,251.44x = 3,380.76 × 1,696.20
  4. Step 4: Simplify right side
    2,251.44x = 5,734,445.11
  5. Step 5: Solve for x
    x = 5,734,445.11/2,251.44
  6. Step 6: Final answer
    x = 2,547.01

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1.5x scale

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.