Home / 2,869.01-3,959.21-1,749.89

Finding the Fourth Proportional to 2,869.01, 3,959.21 and 1,749.89

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Solution

The fourth proportional to 2,869.01, 3,959.21 and 1,749.89 is: 2,414.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.01 : 3,959.21 = 1,749.89 : x
  2. Step 2: Convert to fraction form
    2,869.01/3,959.21 = 1,749.89/x
  3. Step 3: Cross multiply
    2,869.01x = 3,959.21 × 1,749.89
  4. Step 4: Simplify right side
    2,869.01x = 6,928,181.99
  5. Step 5: Solve for x
    x = 6,928,181.99/2,869.01
  6. Step 6: Final answer
    x = 2,414.83

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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.