Home / 3,343.56-4,615.11-2,164.71

Finding the Fourth Proportional to 3,343.56, 4,615.11 and 2,164.71

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Solution

The fourth proportional to 3,343.56, 4,615.11 and 2,164.71 is: 2,987.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343.56 : 4,615.11 = 2,164.71 : x
  2. Step 2: Convert to fraction form
    3,343.56/4,615.11 = 2,164.71/x
  3. Step 3: Cross multiply
    3,343.56x = 4,615.11 × 2,164.71
  4. Step 4: Simplify right side
    3,343.56x = 9,990,374.77
  5. Step 5: Solve for x
    x = 9,990,374.77/3,343.56
  6. Step 6: Final answer
    x = 2,987.95

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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.