Home / 2,937.78-4,406.67-1,205.19

Finding the Fourth Proportional to 2,937.78, 4,406.67 and 1,205.19

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Solution

The fourth proportional to 2,937.78, 4,406.67 and 1,205.19 is: 1,807.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.78 : 4,406.67 = 1,205.19 : x
  2. Step 2: Convert to fraction form
    2,937.78/4,406.67 = 1,205.19/x
  3. Step 3: Cross multiply
    2,937.78x = 4,406.67 × 1,205.19
  4. Step 4: Simplify right side
    2,937.78x = 5,310,874.62
  5. Step 5: Solve for x
    x = 5,310,874.62/2,937.78
  6. Step 6: Final answer
    x = 1,807.79

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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.