Home / 3,511.77-4,846.29-1,939.92

Finding the Fourth Proportional to 3,511.77, 4,846.29 and 1,939.92

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Solution

The fourth proportional to 3,511.77, 4,846.29 and 1,939.92 is: 2,677.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.77 : 4,846.29 = 1,939.92 : x
  2. Step 2: Convert to fraction form
    3,511.77/4,846.29 = 1,939.92/x
  3. Step 3: Cross multiply
    3,511.77x = 4,846.29 × 1,939.92
  4. Step 4: Simplify right side
    3,511.77x = 9,401,414.90
  5. Step 5: Solve for x
    x = 9,401,414.90/3,511.77
  6. Step 6: Final answer
    x = 2,677.12

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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.