Home / 2,425.72-3,344.28-2,007.76

Finding the Fourth Proportional to 2,425.72, 3,344.28 and 2,007.76

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Solution

The fourth proportional to 2,425.72, 3,344.28 and 2,007.76 is: 2,768.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.72 : 3,344.28 = 2,007.76 : x
  2. Step 2: Convert to fraction form
    2,425.72/3,344.28 = 2,007.76/x
  3. Step 3: Cross multiply
    2,425.72x = 3,344.28 × 2,007.76
  4. Step 4: Simplify right side
    2,425.72x = 6,714,511.61
  5. Step 5: Solve for x
    x = 6,714,511.61/2,425.72
  6. Step 6: Final answer
    x = 2,768.05

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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.