Home / 2,977.97-4,108.50-1,798.61

Finding the Fourth Proportional to 2,977.97, 4,108.50 and 1,798.61

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Solution

The fourth proportional to 2,977.97, 4,108.50 and 1,798.61 is: 2,481.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.97 : 4,108.50 = 1,798.61 : x
  2. Step 2: Convert to fraction form
    2,977.97/4,108.50 = 1,798.61/x
  3. Step 3: Cross multiply
    2,977.97x = 4,108.50 × 1,798.61
  4. Step 4: Simplify right side
    2,977.97x = 7,389,568.64
  5. Step 5: Solve for x
    x = 7,389,568.64/2,977.97
  6. Step 6: Final answer
    x = 2,481.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.