Home / 2,240.80-3,362.40-943.18

Finding the Fourth Proportional to 2,240.80, 3,362.40 and 943.18

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Solution

The fourth proportional to 2,240.80, 3,362.40 and 943.18 is: 1,415.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.80 : 3,362.40 = 943.18 : x
  2. Step 2: Convert to fraction form
    2,240.80/3,362.40 = 943.18/x
  3. Step 3: Cross multiply
    2,240.80x = 3,362.40 × 943.18
  4. Step 4: Simplify right side
    2,240.80x = 3,171,348.43
  5. Step 5: Solve for x
    x = 3,171,348.43/2,240.80
  6. Step 6: Final answer
    x = 1,415.28

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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.