Home / 2,939.27-4,424.94-2,680.93

Finding the Fourth Proportional to 2,939.27, 4,424.94 and 2,680.93

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Solution

The fourth proportional to 2,939.27, 4,424.94 and 2,680.93 is: 4,036.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.27 : 4,424.94 = 2,680.93 : x
  2. Step 2: Convert to fraction form
    2,939.27/4,424.94 = 2,680.93/x
  3. Step 3: Cross multiply
    2,939.27x = 4,424.94 × 2,680.93
  4. Step 4: Simplify right side
    2,939.27x = 11,862,977.46
  5. Step 5: Solve for x
    x = 11,862,977.46/2,939.27
  6. Step 6: Final answer
    x = 4,036.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.