Home / 2,977.70-4,466.61-1,129.68

Finding the Fourth Proportional to 2,977.70, 4,466.61 and 1,129.68

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Solution

The fourth proportional to 2,977.70, 4,466.61 and 1,129.68 is: 1,694.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.70 : 4,466.61 = 1,129.68 : x
  2. Step 2: Convert to fraction form
    2,977.70/4,466.61 = 1,129.68/x
  3. Step 3: Cross multiply
    2,977.70x = 4,466.61 × 1,129.68
  4. Step 4: Simplify right side
    2,977.70x = 5,045,839.98
  5. Step 5: Solve for x
    x = 5,045,839.98/2,977.70
  6. Step 6: Final answer
    x = 1,694.55

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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.