Home / 3,309.26-4,962.47-1,228.91

Finding the Fourth Proportional to 3,309.26, 4,962.47 and 1,228.91

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Solution

The fourth proportional to 3,309.26, 4,962.47 and 1,228.91 is: 1,842.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.26 : 4,962.47 = 1,228.91 : x
  2. Step 2: Convert to fraction form
    3,309.26/4,962.47 = 1,228.91/x
  3. Step 3: Cross multiply
    3,309.26x = 4,962.47 × 1,228.91
  4. Step 4: Simplify right side
    3,309.26x = 6,098,398.05
  5. Step 5: Solve for x
    x = 6,098,398.05/3,309.26
  6. Step 6: Final answer
    x = 1,842.83

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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.