Home / 3,144.95-4,717.42-1,294.77

Finding the Fourth Proportional to 3,144.95, 4,717.42 and 1,294.77

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Solution

The fourth proportional to 3,144.95, 4,717.42 and 1,294.77 is: 1,942.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.95 : 4,717.42 = 1,294.77 : x
  2. Step 2: Convert to fraction form
    3,144.95/4,717.42 = 1,294.77/x
  3. Step 3: Cross multiply
    3,144.95x = 4,717.42 × 1,294.77
  4. Step 4: Simplify right side
    3,144.95x = 6,107,973.89
  5. Step 5: Solve for x
    x = 6,107,973.89/3,144.95
  6. Step 6: Final answer
    x = 1,942.15

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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.