Home / 2,118.56-3,176.40-1,023.44

Finding the Fourth Proportional to 2,118.56, 3,176.40 and 1,023.44

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Solution

The fourth proportional to 2,118.56, 3,176.40 and 1,023.44 is: 1,534.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118.56 : 3,176.40 = 1,023.44 : x
  2. Step 2: Convert to fraction form
    2,118.56/3,176.40 = 1,023.44/x
  3. Step 3: Cross multiply
    2,118.56x = 3,176.40 × 1,023.44
  4. Step 4: Simplify right side
    2,118.56x = 3,250,854.82
  5. Step 5: Solve for x
    x = 3,250,854.82/2,118.56
  6. Step 6: Final answer
    x = 1,534.46

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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.