Home / 3,443.20-4,751.40-2,045.68

Finding the Fourth Proportional to 3,443.20, 4,751.40 and 2,045.68

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Solution

The fourth proportional to 3,443.20, 4,751.40 and 2,045.68 is: 2,822.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,443.20 : 4,751.40 = 2,045.68 : x
  2. Step 2: Convert to fraction form
    3,443.20/4,751.40 = 2,045.68/x
  3. Step 3: Cross multiply
    3,443.20x = 4,751.40 × 2,045.68
  4. Step 4: Simplify right side
    3,443.20x = 9,719,843.95
  5. Step 5: Solve for x
    x = 9,719,843.95/3,443.20
  6. Step 6: Final answer
    x = 2,822.91

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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.