Home / 3,478.02-5,207.77-2,719.96

Finding the Fourth Proportional to 3,478.02, 5,207.77 and 2,719.96

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Solution

The fourth proportional to 3,478.02, 5,207.77 and 2,719.96 is: 4,072.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478.02 : 5,207.77 = 2,719.96 : x
  2. Step 2: Convert to fraction form
    3,478.02/5,207.77 = 2,719.96/x
  3. Step 3: Cross multiply
    3,478.02x = 5,207.77 × 2,719.96
  4. Step 4: Simplify right side
    3,478.02x = 14,164,926.09
  5. Step 5: Solve for x
    x = 14,164,926.09/3,478.02
  6. Step 6: Final answer
    x = 4,072.70

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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.