Home / 2,877.09-4,314.71-1,121.97

Finding the Fourth Proportional to 2,877.09, 4,314.71 and 1,121.97

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Solution

The fourth proportional to 2,877.09, 4,314.71 and 1,121.97 is: 1,682.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.09 : 4,314.71 = 1,121.97 : x
  2. Step 2: Convert to fraction form
    2,877.09/4,314.71 = 1,121.97/x
  3. Step 3: Cross multiply
    2,877.09x = 4,314.71 × 1,121.97
  4. Step 4: Simplify right side
    2,877.09x = 4,840,994.16
  5. Step 5: Solve for x
    x = 4,840,994.16/2,877.09
  6. Step 6: Final answer
    x = 1,682.60

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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.