Home / 1,867.07-2,576.45-1,027.74

Finding the Fourth Proportional to 1,867.07, 2,576.45 and 1,027.74

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Solution

The fourth proportional to 1,867.07, 2,576.45 and 1,027.74 is: 1,418.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.07 : 2,576.45 = 1,027.74 : x
  2. Step 2: Convert to fraction form
    1,867.07/2,576.45 = 1,027.74/x
  3. Step 3: Cross multiply
    1,867.07x = 2,576.45 × 1,027.74
  4. Step 4: Simplify right side
    1,867.07x = 2,647,915.57
  5. Step 5: Solve for x
    x = 2,647,915.57/1,867.07
  6. Step 6: Final answer
    x = 1,418.22

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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.