Home / 3,343.80-4,612.92-2,165.26

Finding the Fourth Proportional to 3,343.80, 4,612.92 and 2,165.26

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Solution

The fourth proportional to 3,343.80, 4,612.92 and 2,165.26 is: 2,987.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343.80 : 4,612.92 = 2,165.26 : x
  2. Step 2: Convert to fraction form
    3,343.80/4,612.92 = 2,165.26/x
  3. Step 3: Cross multiply
    3,343.80x = 4,612.92 × 2,165.26
  4. Step 4: Simplify right side
    3,343.80x = 9,988,171.16
  5. Step 5: Solve for x
    x = 9,988,171.16/3,343.80
  6. Step 6: Final answer
    x = 2,987.07

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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.