Home / 3,317.90-4,579.11-1,901.79

Finding the Fourth Proportional to 3,317.90, 4,579.11 and 1,901.79

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Solution

The fourth proportional to 3,317.90, 4,579.11 and 1,901.79 is: 2,624.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.90 : 4,579.11 = 1,901.79 : x
  2. Step 2: Convert to fraction form
    3,317.90/4,579.11 = 1,901.79/x
  3. Step 3: Cross multiply
    3,317.90x = 4,579.11 × 1,901.79
  4. Step 4: Simplify right side
    3,317.90x = 8,708,505.61
  5. Step 5: Solve for x
    x = 8,708,505.61/3,317.90
  6. Step 6: Final answer
    x = 2,624.71

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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.