Home / 3,449.24-5,169.23-1,886.90

Finding the Fourth Proportional to 3,449.24, 5,169.23 and 1,886.90

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Solution

The fourth proportional to 3,449.24, 5,169.23 and 1,886.90 is: 2,827.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.24 : 5,169.23 = 1,886.90 : x
  2. Step 2: Convert to fraction form
    3,449.24/5,169.23 = 1,886.90/x
  3. Step 3: Cross multiply
    3,449.24x = 5,169.23 × 1,886.90
  4. Step 4: Simplify right side
    3,449.24x = 9,753,784.81
  5. Step 5: Solve for x
    x = 9,753,784.81/3,449.24
  6. Step 6: Final answer
    x = 2,827.81

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1.5x scale

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.