Home / 2,551.28-3,522.85-2,079.26

Finding the Fourth Proportional to 2,551.28, 3,522.85 and 2,079.26

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Solution

The fourth proportional to 2,551.28, 3,522.85 and 2,079.26 is: 2,871.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.28 : 3,522.85 = 2,079.26 : x
  2. Step 2: Convert to fraction form
    2,551.28/3,522.85 = 2,079.26/x
  3. Step 3: Cross multiply
    2,551.28x = 3,522.85 × 2,079.26
  4. Step 4: Simplify right side
    2,551.28x = 7,324,921.09
  5. Step 5: Solve for x
    x = 7,324,921.09/2,551.28
  6. Step 6: Final answer
    x = 2,871.08

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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.