Home / 2,778.39-3,835.10-1,599.75

Finding the Fourth Proportional to 2,778.39, 3,835.10 and 1,599.75

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Solution

The fourth proportional to 2,778.39, 3,835.10 and 1,599.75 is: 2,208.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778.39 : 3,835.10 = 1,599.75 : x
  2. Step 2: Convert to fraction form
    2,778.39/3,835.10 = 1,599.75/x
  3. Step 3: Cross multiply
    2,778.39x = 3,835.10 × 1,599.75
  4. Step 4: Simplify right side
    2,778.39x = 6,135,193.23
  5. Step 5: Solve for x
    x = 6,135,193.23/2,778.39
  6. Step 6: Final answer
    x = 2,208.18

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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.