Home / 2,179.32-3,007.44-1,471.92

Finding the Fourth Proportional to 2,179.32, 3,007.44 and 1,471.92

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Solution

The fourth proportional to 2,179.32, 3,007.44 and 1,471.92 is: 2,031.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.32 : 3,007.44 = 1,471.92 : x
  2. Step 2: Convert to fraction form
    2,179.32/3,007.44 = 1,471.92/x
  3. Step 3: Cross multiply
    2,179.32x = 3,007.44 × 1,471.92
  4. Step 4: Simplify right side
    2,179.32x = 4,426,711.08
  5. Step 5: Solve for x
    x = 4,426,711.08/2,179.32
  6. Step 6: Final answer
    x = 2,031.24

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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.