Home / 2,528.08-3,489.60-1,731.88

Finding the Fourth Proportional to 2,528.08, 3,489.60 and 1,731.88

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Solution

The fourth proportional to 2,528.08, 3,489.60 and 1,731.88 is: 2,390.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.08 : 3,489.60 = 1,731.88 : x
  2. Step 2: Convert to fraction form
    2,528.08/3,489.60 = 1,731.88/x
  3. Step 3: Cross multiply
    2,528.08x = 3,489.60 × 1,731.88
  4. Step 4: Simplify right side
    2,528.08x = 6,043,568.45
  5. Step 5: Solve for x
    x = 6,043,568.45/2,528.08
  6. Step 6: Final answer
    x = 2,390.58

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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.