Home / 2,528.88-3,489.85-1,480.74

Finding the Fourth Proportional to 2,528.88, 3,489.85 and 1,480.74

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Solution

The fourth proportional to 2,528.88, 3,489.85 and 1,480.74 is: 2,043.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.88 : 3,489.85 = 1,480.74 : x
  2. Step 2: Convert to fraction form
    2,528.88/3,489.85 = 1,480.74/x
  3. Step 3: Cross multiply
    2,528.88x = 3,489.85 × 1,480.74
  4. Step 4: Simplify right side
    2,528.88x = 5,167,560.49
  5. Step 5: Solve for x
    x = 5,167,560.49/2,528.88
  6. Step 6: Final answer
    x = 2,043.42

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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.