Home / 2,227.77-3,339.20-1,406.43

Finding the Fourth Proportional to 2,227.77, 3,339.20 and 1,406.43

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Solution

The fourth proportional to 2,227.77, 3,339.20 and 1,406.43 is: 2,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.77 : 3,339.20 = 1,406.43 : x
  2. Step 2: Convert to fraction form
    2,227.77/3,339.20 = 1,406.43/x
  3. Step 3: Cross multiply
    2,227.77x = 3,339.20 × 1,406.43
  4. Step 4: Simplify right side
    2,227.77x = 4,696,354.57
  5. Step 5: Solve for x
    x = 4,696,354.57/2,227.77
  6. Step 6: Final answer
    x = 2,108.10

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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.