Home / 3,343.31-4,612.23-2,164.76

Finding the Fourth Proportional to 3,343.31, 4,612.23 and 2,164.76

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Solution

The fourth proportional to 3,343.31, 4,612.23 and 2,164.76 is: 2,986.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343.31 : 4,612.23 = 2,164.76 : x
  2. Step 2: Convert to fraction form
    3,343.31/4,612.23 = 2,164.76/x
  3. Step 3: Cross multiply
    3,343.31x = 4,612.23 × 2,164.76
  4. Step 4: Simplify right side
    3,343.31x = 9,984,347.95
  5. Step 5: Solve for x
    x = 9,984,347.95/3,343.31
  6. Step 6: Final answer
    x = 2,986.37

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Half scale
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Double scale
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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.