Home / 2,939.08-4,053.27-1,945.35

Finding the Fourth Proportional to 2,939.08, 4,053.27 and 1,945.35

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Solution

The fourth proportional to 2,939.08, 4,053.27 and 1,945.35 is: 2,682.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.08 : 4,053.27 = 1,945.35 : x
  2. Step 2: Convert to fraction form
    2,939.08/4,053.27 = 1,945.35/x
  3. Step 3: Cross multiply
    2,939.08x = 4,053.27 × 1,945.35
  4. Step 4: Simplify right side
    2,939.08x = 7,885,008.53
  5. Step 5: Solve for x
    x = 7,885,008.53/2,939.08
  6. Step 6: Final answer
    x = 2,682.82

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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.