Home / 2,652.29-3,979.80-1,093.45

Finding the Fourth Proportional to 2,652.29, 3,979.80 and 1,093.45

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Solution

The fourth proportional to 2,652.29, 3,979.80 and 1,093.45 is: 1,640.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652.29 : 3,979.80 = 1,093.45 : x
  2. Step 2: Convert to fraction form
    2,652.29/3,979.80 = 1,093.45/x
  3. Step 3: Cross multiply
    2,652.29x = 3,979.80 × 1,093.45
  4. Step 4: Simplify right side
    2,652.29x = 4,351,712.31
  5. Step 5: Solve for x
    x = 4,351,712.31/2,652.29
  6. Step 6: Final answer
    x = 1,640.74

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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.