Home / 3,343.30-4,613.43-1,998.64

Finding the Fourth Proportional to 3,343.30, 4,613.43 and 1,998.64

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Solution

The fourth proportional to 3,343.30, 4,613.43 and 1,998.64 is: 2,757.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343.30 : 4,613.43 = 1,998.64 : x
  2. Step 2: Convert to fraction form
    3,343.30/4,613.43 = 1,998.64/x
  3. Step 3: Cross multiply
    3,343.30x = 4,613.43 × 1,998.64
  4. Step 4: Simplify right side
    3,343.30x = 9,220,585.74
  5. Step 5: Solve for x
    x = 9,220,585.74/3,343.30
  6. Step 6: Final answer
    x = 2,757.93

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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.