Home / 3,149.01-4,742.25-2,743.05

Finding the Fourth Proportional to 3,149.01, 4,742.25 and 2,743.05

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Solution

The fourth proportional to 3,149.01, 4,742.25 and 2,743.05 is: 4,130.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.01 : 4,742.25 = 2,743.05 : x
  2. Step 2: Convert to fraction form
    3,149.01/4,742.25 = 2,743.05/x
  3. Step 3: Cross multiply
    3,149.01x = 4,742.25 × 2,743.05
  4. Step 4: Simplify right side
    3,149.01x = 13,008,228.86
  5. Step 5: Solve for x
    x = 13,008,228.86/3,149.01
  6. Step 6: Final answer
    x = 4,130.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.