Home / 1,867.06-2,576.60-1,027.80

Finding the Fourth Proportional to 1,867.06, 2,576.60 and 1,027.80

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Solution

The fourth proportional to 1,867.06, 2,576.60 and 1,027.80 is: 1,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.06 : 2,576.60 = 1,027.80 : x
  2. Step 2: Convert to fraction form
    1,867.06/2,576.60 = 1,027.80/x
  3. Step 3: Cross multiply
    1,867.06x = 2,576.60 × 1,027.80
  4. Step 4: Simplify right side
    1,867.06x = 2,648,229.48
  5. Step 5: Solve for x
    x = 2,648,229.48/1,867.06
  6. Step 6: Final answer
    x = 1,418.40

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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.