Home / 2,972.54-4,439.30-2,388.43

Finding the Fourth Proportional to 2,972.54, 4,439.30 and 2,388.43

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Solution

The fourth proportional to 2,972.54, 4,439.30 and 2,388.43 is: 3,566.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.54 : 4,439.30 = 2,388.43 : x
  2. Step 2: Convert to fraction form
    2,972.54/4,439.30 = 2,388.43/x
  3. Step 3: Cross multiply
    2,972.54x = 4,439.30 × 2,388.43
  4. Step 4: Simplify right side
    2,972.54x = 10,602,945.36
  5. Step 5: Solve for x
    x = 10,602,945.36/2,972.54
  6. Step 6: Final answer
    x = 3,566.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.