Home / 2,528.56-3,489.80-2,446.60

Finding the Fourth Proportional to 2,528.56, 3,489.80 and 2,446.60

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Solution

The fourth proportional to 2,528.56, 3,489.80 and 2,446.60 is: 3,376.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.56 : 3,489.80 = 2,446.60 : x
  2. Step 2: Convert to fraction form
    2,528.56/3,489.80 = 2,446.60/x
  3. Step 3: Cross multiply
    2,528.56x = 3,489.80 × 2,446.60
  4. Step 4: Simplify right side
    2,528.56x = 8,538,144.68
  5. Step 5: Solve for x
    x = 8,538,144.68/2,528.56
  6. Step 6: Final answer
    x = 3,376.68

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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.