Home / 3,155.04-4,353.96-1,757.76

Finding the Fourth Proportional to 3,155.04, 4,353.96 and 1,757.76

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Solution

The fourth proportional to 3,155.04, 4,353.96 and 1,757.76 is: 2,425.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.04 : 4,353.96 = 1,757.76 : x
  2. Step 2: Convert to fraction form
    3,155.04/4,353.96 = 1,757.76/x
  3. Step 3: Cross multiply
    3,155.04x = 4,353.96 × 1,757.76
  4. Step 4: Simplify right side
    3,155.04x = 7,653,216.73
  5. Step 5: Solve for x
    x = 7,653,216.73/3,155.04
  6. Step 6: Final answer
    x = 2,425.71

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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.