Home / 3,143.18-4,335.44-2,023.76

Finding the Fourth Proportional to 3,143.18, 4,335.44 and 2,023.76

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Solution

The fourth proportional to 3,143.18, 4,335.44 and 2,023.76 is: 2,791.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.18 : 4,335.44 = 2,023.76 : x
  2. Step 2: Convert to fraction form
    3,143.18/4,335.44 = 2,023.76/x
  3. Step 3: Cross multiply
    3,143.18x = 4,335.44 × 2,023.76
  4. Step 4: Simplify right side
    3,143.18x = 8,773,890.05
  5. Step 5: Solve for x
    x = 8,773,890.05/3,143.18
  6. Step 6: Final answer
    x = 2,791.41

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1.5x scale

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.