Home / 3,581.11-4,938.67-2,320.85

Finding the Fourth Proportional to 3,581.11, 4,938.67 and 2,320.85

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Solution

The fourth proportional to 3,581.11, 4,938.67 and 2,320.85 is: 3,200.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.11 : 4,938.67 = 2,320.85 : x
  2. Step 2: Convert to fraction form
    3,581.11/4,938.67 = 2,320.85/x
  3. Step 3: Cross multiply
    3,581.11x = 4,938.67 × 2,320.85
  4. Step 4: Simplify right side
    3,581.11x = 11,461,927.52
  5. Step 5: Solve for x
    x = 11,461,927.52/3,581.11
  6. Step 6: Final answer
    x = 3,200.66

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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.