Home / 3,215.96-4,442.10-2,377.88

Finding the Fourth Proportional to 3,215.96, 4,442.10 and 2,377.88

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Solution

The fourth proportional to 3,215.96, 4,442.10 and 2,377.88 is: 3,284.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.96 : 4,442.10 = 2,377.88 : x
  2. Step 2: Convert to fraction form
    3,215.96/4,442.10 = 2,377.88/x
  3. Step 3: Cross multiply
    3,215.96x = 4,442.10 × 2,377.88
  4. Step 4: Simplify right side
    3,215.96x = 10,562,780.75
  5. Step 5: Solve for x
    x = 10,562,780.75/3,215.96
  6. Step 6: Final answer
    x = 3,284.49

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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.