Home / 2,425.28-3,345.30-1,982.48

Finding the Fourth Proportional to 2,425.28, 3,345.30 and 1,982.48

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Solution

The fourth proportional to 2,425.28, 3,345.30 and 1,982.48 is: 2,734.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.28 : 3,345.30 = 1,982.48 : x
  2. Step 2: Convert to fraction form
    2,425.28/3,345.30 = 1,982.48/x
  3. Step 3: Cross multiply
    2,425.28x = 3,345.30 × 1,982.48
  4. Step 4: Simplify right side
    2,425.28x = 6,631,973.62
  5. Step 5: Solve for x
    x = 6,631,973.62/2,425.28
  6. Step 6: Final answer
    x = 2,734.52

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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.