Home / 2,432.31-3,356.60-1,384.37

Finding the Fourth Proportional to 2,432.31, 3,356.60 and 1,384.37

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Solution

The fourth proportional to 2,432.31, 3,356.60 and 1,384.37 is: 1,910.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432.31 : 3,356.60 = 1,384.37 : x
  2. Step 2: Convert to fraction form
    2,432.31/3,356.60 = 1,384.37/x
  3. Step 3: Cross multiply
    2,432.31x = 3,356.60 × 1,384.37
  4. Step 4: Simplify right side
    2,432.31x = 4,646,752.64
  5. Step 5: Solve for x
    x = 4,646,752.64/2,432.31
  6. Step 6: Final answer
    x = 1,910.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.