Home / 2,223.18-3,333.67-1,298.97

Finding the Fourth Proportional to 2,223.18, 3,333.67 and 1,298.97

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Solution

The fourth proportional to 2,223.18, 3,333.67 and 1,298.97 is: 1,947.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.18 : 3,333.67 = 1,298.97 : x
  2. Step 2: Convert to fraction form
    2,223.18/3,333.67 = 1,298.97/x
  3. Step 3: Cross multiply
    2,223.18x = 3,333.67 × 1,298.97
  4. Step 4: Simplify right side
    2,223.18x = 4,330,334.07
  5. Step 5: Solve for x
    x = 4,330,334.07/2,223.18
  6. Step 6: Final answer
    x = 1,947.81

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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.