Home / 2,977.97-4,466.95-1,247.81

Finding the Fourth Proportional to 2,977.97, 4,466.95 and 1,247.81

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Solution

The fourth proportional to 2,977.97, 4,466.95 and 1,247.81 is: 1,871.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.97 : 4,466.95 = 1,247.81 : x
  2. Step 2: Convert to fraction form
    2,977.97/4,466.95 = 1,247.81/x
  3. Step 3: Cross multiply
    2,977.97x = 4,466.95 × 1,247.81
  4. Step 4: Simplify right side
    2,977.97x = 5,573,879.43
  5. Step 5: Solve for x
    x = 5,573,879.43/2,977.97
  6. Step 6: Final answer
    x = 1,871.71

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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.