Home / 3,149.07-4,343.52-2,673.69

Finding the Fourth Proportional to 3,149.07, 4,343.52 and 2,673.69

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Solution

The fourth proportional to 3,149.07, 4,343.52 and 2,673.69 is: 3,687.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.07 : 4,343.52 = 2,673.69 : x
  2. Step 2: Convert to fraction form
    3,149.07/4,343.52 = 2,673.69/x
  3. Step 3: Cross multiply
    3,149.07x = 4,343.52 × 2,673.69
  4. Step 4: Simplify right side
    3,149.07x = 11,613,225.99
  5. Step 5: Solve for x
    x = 11,613,225.99/3,149.07
  6. Step 6: Final answer
    x = 3,687.83

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Half scale
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Double scale
Find fourth proportional to 3,150.07, 4,344.90 and 2,674.69
Similar ratio
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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.