Home / 3,512.11-4,846.71-1,940.20

Finding the Fourth Proportional to 3,512.11, 4,846.71 and 1,940.20

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Solution

The fourth proportional to 3,512.11, 4,846.71 and 1,940.20 is: 2,677.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.11 : 4,846.71 = 1,940.20 : x
  2. Step 2: Convert to fraction form
    3,512.11/4,846.71 = 1,940.20/x
  3. Step 3: Cross multiply
    3,512.11x = 4,846.71 × 1,940.20
  4. Step 4: Simplify right side
    3,512.11x = 9,403,603.71
  5. Step 5: Solve for x
    x = 9,403,603.71/3,512.11
  6. Step 6: Final answer
    x = 2,677.48

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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.