Home / 2,939.47-4,407.65-1,295.24

Finding the Fourth Proportional to 2,939.47, 4,407.65 and 1,295.24

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Solution

The fourth proportional to 2,939.47, 4,407.65 and 1,295.24 is: 1,942.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.47 : 4,407.65 = 1,295.24 : x
  2. Step 2: Convert to fraction form
    2,939.47/4,407.65 = 1,295.24/x
  3. Step 3: Cross multiply
    2,939.47x = 4,407.65 × 1,295.24
  4. Step 4: Simplify right side
    2,939.47x = 5,708,958.11
  5. Step 5: Solve for x
    x = 5,708,958.11/2,939.47
  6. Step 6: Final answer
    x = 1,942.18

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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.