Home / 3,525.66-4,868.88-2,778.44

Finding the Fourth Proportional to 3,525.66, 4,868.88 and 2,778.44

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Solution

The fourth proportional to 3,525.66, 4,868.88 and 2,778.44 is: 3,836.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.66 : 4,868.88 = 2,778.44 : x
  2. Step 2: Convert to fraction form
    3,525.66/4,868.88 = 2,778.44/x
  3. Step 3: Cross multiply
    3,525.66x = 4,868.88 × 2,778.44
  4. Step 4: Simplify right side
    3,525.66x = 13,527,866.60
  5. Step 5: Solve for x
    x = 13,527,866.60/3,525.66
  6. Step 6: Final answer
    x = 3,836.97

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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.