Home / 3,343.15-4,613.54-2,164.22

Finding the Fourth Proportional to 3,343.15, 4,613.54 and 2,164.22

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Solution

The fourth proportional to 3,343.15, 4,613.54 and 2,164.22 is: 2,986.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343.15 : 4,613.54 = 2,164.22 : x
  2. Step 2: Convert to fraction form
    3,343.15/4,613.54 = 2,164.22/x
  3. Step 3: Cross multiply
    3,343.15x = 4,613.54 × 2,164.22
  4. Step 4: Simplify right side
    3,343.15x = 9,984,720.25
  5. Step 5: Solve for x
    x = 9,984,720.25/3,343.15
  6. Step 6: Final answer
    x = 2,986.62

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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.