Home / 1,867.19-2,576.72-1,027.94

Finding the Fourth Proportional to 1,867.19, 2,576.72 and 1,027.94

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Solution

The fourth proportional to 1,867.19, 2,576.72 and 1,027.94 is: 1,418.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.19 : 2,576.72 = 1,027.94 : x
  2. Step 2: Convert to fraction form
    1,867.19/2,576.72 = 1,027.94/x
  3. Step 3: Cross multiply
    1,867.19x = 2,576.72 × 1,027.94
  4. Step 4: Simplify right side
    1,867.19x = 2,648,695.53
  5. Step 5: Solve for x
    x = 2,648,695.53/1,867.19
  6. Step 6: Final answer
    x = 1,418.55

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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.