Home / 3,239-4,851.39-2,677.35

Finding the Fourth Proportional to 3,239, 4,851.39 and 2,677.35

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Solution

The fourth proportional to 3,239, 4,851.39 and 2,677.35 is: 4,010.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239 : 4,851.39 = 2,677.35 : x
  2. Step 2: Convert to fraction form
    3,239/4,851.39 = 2,677.35/x
  3. Step 3: Cross multiply
    3,239x = 4,851.39 × 2,677.35
  4. Step 4: Simplify right side
    3,239x = 12,988,869.02
  5. Step 5: Solve for x
    x = 12,988,869.02/3,239
  6. Step 6: Final answer
    x = 4,010.15

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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.