Home / 2,219.11-3,330.18-833.53

Finding the Fourth Proportional to 2,219.11, 3,330.18 and 833.53

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Solution

The fourth proportional to 2,219.11, 3,330.18 and 833.53 is: 1,250.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.11 : 3,330.18 = 833.53 : x
  2. Step 2: Convert to fraction form
    2,219.11/3,330.18 = 833.53/x
  3. Step 3: Cross multiply
    2,219.11x = 3,330.18 × 833.53
  4. Step 4: Simplify right side
    2,219.11x = 2,775,804.94
  5. Step 5: Solve for x
    x = 2,775,804.94/2,219.11
  6. Step 6: Final answer
    x = 1,250.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.