Home / 2,528.62-3,489.75-2,330.10

Finding the Fourth Proportional to 2,528.62, 3,489.75 and 2,330.10

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Solution

The fourth proportional to 2,528.62, 3,489.75 and 2,330.10 is: 3,215.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.62 : 3,489.75 = 2,330.10 : x
  2. Step 2: Convert to fraction form
    2,528.62/3,489.75 = 2,330.10/x
  3. Step 3: Cross multiply
    2,528.62x = 3,489.75 × 2,330.10
  4. Step 4: Simplify right side
    2,528.62x = 8,131,466.48
  5. Step 5: Solve for x
    x = 8,131,466.48/2,528.62
  6. Step 6: Final answer
    x = 3,215.78

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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.