Home / 3,242.18-4,855.95-1,940.90

Finding the Fourth Proportional to 3,242.18, 4,855.95 and 1,940.90

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Solution

The fourth proportional to 3,242.18, 4,855.95 and 1,940.90 is: 2,906.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.18 : 4,855.95 = 1,940.90 : x
  2. Step 2: Convert to fraction form
    3,242.18/4,855.95 = 1,940.90/x
  3. Step 3: Cross multiply
    3,242.18x = 4,855.95 × 1,940.90
  4. Step 4: Simplify right side
    3,242.18x = 9,424,913.36
  5. Step 5: Solve for x
    x = 9,424,913.36/3,242.18
  6. Step 6: Final answer
    x = 2,906.97

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1.5x scale

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.