Home / 3,165.30-4,359.69-2,744.10

Finding the Fourth Proportional to 3,165.30, 4,359.69 and 2,744.10

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Solution

The fourth proportional to 3,165.30, 4,359.69 and 2,744.10 is: 3,779.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.30 : 4,359.69 = 2,744.10 : x
  2. Step 2: Convert to fraction form
    3,165.30/4,359.69 = 2,744.10/x
  3. Step 3: Cross multiply
    3,165.30x = 4,359.69 × 2,744.10
  4. Step 4: Simplify right side
    3,165.30x = 11,963,425.33
  5. Step 5: Solve for x
    x = 11,963,425.33/3,165.30
  6. Step 6: Final answer
    x = 3,779.55

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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.