Home / 2,223.18-3,329.10-1,857.06

Finding the Fourth Proportional to 2,223.18, 3,329.10 and 1,857.06

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Solution

The fourth proportional to 2,223.18, 3,329.10 and 1,857.06 is: 2,780.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.18 : 3,329.10 = 1,857.06 : x
  2. Step 2: Convert to fraction form
    2,223.18/3,329.10 = 1,857.06/x
  3. Step 3: Cross multiply
    2,223.18x = 3,329.10 × 1,857.06
  4. Step 4: Simplify right side
    2,223.18x = 6,182,338.45
  5. Step 5: Solve for x
    x = 6,182,338.45/2,223.18
  6. Step 6: Final answer
    x = 2,780.85

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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.