Home / 2,851.98-4,277.33-1,290.95

Finding the Fourth Proportional to 2,851.98, 4,277.33 and 1,290.95

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Solution

The fourth proportional to 2,851.98, 4,277.33 and 1,290.95 is: 1,936.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.98 : 4,277.33 = 1,290.95 : x
  2. Step 2: Convert to fraction form
    2,851.98/4,277.33 = 1,290.95/x
  3. Step 3: Cross multiply
    2,851.98x = 4,277.33 × 1,290.95
  4. Step 4: Simplify right side
    2,851.98x = 5,521,819.16
  5. Step 5: Solve for x
    x = 5,521,819.16/2,851.98
  6. Step 6: Final answer
    x = 1,936.14

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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.