Home / 2,939.16-4,056.48-1,760.52

Finding the Fourth Proportional to 2,939.16, 4,056.48 and 1,760.52

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Solution

The fourth proportional to 2,939.16, 4,056.48 and 1,760.52 is: 2,429.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.16 : 4,056.48 = 1,760.52 : x
  2. Step 2: Convert to fraction form
    2,939.16/4,056.48 = 1,760.52/x
  3. Step 3: Cross multiply
    2,939.16x = 4,056.48 × 1,760.52
  4. Step 4: Simplify right side
    2,939.16x = 7,141,514.17
  5. Step 5: Solve for x
    x = 7,141,514.17/2,939.16
  6. Step 6: Final answer
    x = 2,429.78

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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.