Home / 2,959.14-4,439.80-1,805.70

Finding the Fourth Proportional to 2,959.14, 4,439.80 and 1,805.70

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Solution

The fourth proportional to 2,959.14, 4,439.80 and 1,805.70 is: 2,709.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.14 : 4,439.80 = 1,805.70 : x
  2. Step 2: Convert to fraction form
    2,959.14/4,439.80 = 1,805.70/x
  3. Step 3: Cross multiply
    2,959.14x = 4,439.80 × 1,805.70
  4. Step 4: Simplify right side
    2,959.14x = 8,016,946.86
  5. Step 5: Solve for x
    x = 8,016,946.86/2,959.14
  6. Step 6: Final answer
    x = 2,709.22

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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.