Home / 2,943.32-4,414.78-2,123.08

Finding the Fourth Proportional to 2,943.32, 4,414.78 and 2,123.08

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Solution

The fourth proportional to 2,943.32, 4,414.78 and 2,123.08 is: 3,184.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.32 : 4,414.78 = 2,123.08 : x
  2. Step 2: Convert to fraction form
    2,943.32/4,414.78 = 2,123.08/x
  3. Step 3: Cross multiply
    2,943.32x = 4,414.78 × 2,123.08
  4. Step 4: Simplify right side
    2,943.32x = 9,372,931.12
  5. Step 5: Solve for x
    x = 9,372,931.12/2,943.32
  6. Step 6: Final answer
    x = 3,184.48

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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.