Home / 2,939.19-4,407.48-1,377.93

Finding the Fourth Proportional to 2,939.19, 4,407.48 and 1,377.93

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Solution

The fourth proportional to 2,939.19, 4,407.48 and 1,377.93 is: 2,066.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.19 : 4,407.48 = 1,377.93 : x
  2. Step 2: Convert to fraction form
    2,939.19/4,407.48 = 1,377.93/x
  3. Step 3: Cross multiply
    2,939.19x = 4,407.48 × 1,377.93
  4. Step 4: Simplify right side
    2,939.19x = 6,073,181.01
  5. Step 5: Solve for x
    x = 6,073,181.01/2,939.19
  6. Step 6: Final answer
    x = 2,066.28

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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.