Home / 3,040.78-4,193.69-2,098.07

Finding the Fourth Proportional to 3,040.78, 4,193.69 and 2,098.07

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Solution

The fourth proportional to 3,040.78, 4,193.69 and 2,098.07 is: 2,893.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.78 : 4,193.69 = 2,098.07 : x
  2. Step 2: Convert to fraction form
    3,040.78/4,193.69 = 2,098.07/x
  3. Step 3: Cross multiply
    3,040.78x = 4,193.69 × 2,098.07
  4. Step 4: Simplify right side
    3,040.78x = 8,798,660.42
  5. Step 5: Solve for x
    x = 8,798,660.42/3,040.78
  6. Step 6: Final answer
    x = 2,893.56

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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.