Home / 2,835.22-4,244.94-2,139.78

Finding the Fourth Proportional to 2,835.22, 4,244.94 and 2,139.78

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Solution

The fourth proportional to 2,835.22, 4,244.94 and 2,139.78 is: 3,203.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.22 : 4,244.94 = 2,139.78 : x
  2. Step 2: Convert to fraction form
    2,835.22/4,244.94 = 2,139.78/x
  3. Step 3: Cross multiply
    2,835.22x = 4,244.94 × 2,139.78
  4. Step 4: Simplify right side
    2,835.22x = 9,083,237.71
  5. Step 5: Solve for x
    x = 9,083,237.71/2,835.22
  6. Step 6: Final answer
    x = 3,203.72

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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.