Home / 2,855.22-3,937.08-2,193.66

Finding the Fourth Proportional to 2,855.22, 3,937.08 and 2,193.66

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Solution

The fourth proportional to 2,855.22, 3,937.08 and 2,193.66 is: 3,024.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855.22 : 3,937.08 = 2,193.66 : x
  2. Step 2: Convert to fraction form
    2,855.22/3,937.08 = 2,193.66/x
  3. Step 3: Cross multiply
    2,855.22x = 3,937.08 × 2,193.66
  4. Step 4: Simplify right side
    2,855.22x = 8,636,614.91
  5. Step 5: Solve for x
    x = 8,636,614.91/2,855.22
  6. Step 6: Final answer
    x = 3,024.85

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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.