Home / 2,223.45-3,332.44-1,247.50

Finding the Fourth Proportional to 2,223.45, 3,332.44 and 1,247.50

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Solution

The fourth proportional to 2,223.45, 3,332.44 and 1,247.50 is: 1,869.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.45 : 3,332.44 = 1,247.50 : x
  2. Step 2: Convert to fraction form
    2,223.45/3,332.44 = 1,247.50/x
  3. Step 3: Cross multiply
    2,223.45x = 3,332.44 × 1,247.50
  4. Step 4: Simplify right side
    2,223.45x = 4,157,224.62
  5. Step 5: Solve for x
    x = 4,157,224.62/2,223.45
  6. Step 6: Final answer
    x = 1,869.72

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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.