Home / 2,764.29-4,155.75-1,533.90

Finding the Fourth Proportional to 2,764.29, 4,155.75 and 1,533.90

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Solution

The fourth proportional to 2,764.29, 4,155.75 and 1,533.90 is: 2,306.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.29 : 4,155.75 = 1,533.90 : x
  2. Step 2: Convert to fraction form
    2,764.29/4,155.75 = 1,533.90/x
  3. Step 3: Cross multiply
    2,764.29x = 4,155.75 × 1,533.90
  4. Step 4: Simplify right side
    2,764.29x = 6,374,504.93
  5. Step 5: Solve for x
    x = 6,374,504.93/2,764.29
  6. Step 6: Final answer
    x = 2,306.02

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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.