Home / 2,432.21-3,356.44-1,384.27

Finding the Fourth Proportional to 2,432.21, 3,356.44 and 1,384.27

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Solution

The fourth proportional to 2,432.21, 3,356.44 and 1,384.27 is: 1,910.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432.21 : 3,356.44 = 1,384.27 : x
  2. Step 2: Convert to fraction form
    2,432.21/3,356.44 = 1,384.27/x
  3. Step 3: Cross multiply
    2,432.21x = 3,356.44 × 1,384.27
  4. Step 4: Simplify right side
    2,432.21x = 4,646,212.28
  5. Step 5: Solve for x
    x = 4,646,212.28/2,432.21
  6. Step 6: Final answer
    x = 1,910.29

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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.