Home / 3,416.13-5,121.59-1,335.83

Finding the Fourth Proportional to 3,416.13, 5,121.59 and 1,335.83

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Solution

The fourth proportional to 3,416.13, 5,121.59 and 1,335.83 is: 2,002.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.13 : 5,121.59 = 1,335.83 : x
  2. Step 2: Convert to fraction form
    3,416.13/5,121.59 = 1,335.83/x
  3. Step 3: Cross multiply
    3,416.13x = 5,121.59 × 1,335.83
  4. Step 4: Simplify right side
    3,416.13x = 6,841,541.28
  5. Step 5: Solve for x
    x = 6,841,541.28/3,416.13
  6. Step 6: Final answer
    x = 2,002.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.