Home / 4,101.20-5,659.44-2,528.72

Finding the Fourth Proportional to 4,101.20, 5,659.44 and 2,528.72

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Solution

The fourth proportional to 4,101.20, 5,659.44 and 2,528.72 is: 3,489.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.20 : 5,659.44 = 2,528.72 : x
  2. Step 2: Convert to fraction form
    4,101.20/5,659.44 = 2,528.72/x
  3. Step 3: Cross multiply
    4,101.20x = 5,659.44 × 2,528.72
  4. Step 4: Simplify right side
    4,101.20x = 14,311,139.12
  5. Step 5: Solve for x
    x = 14,311,139.12/4,101.20
  6. Step 6: Final answer
    x = 3,489.50

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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.