Home / 3,104.50-4,284.39-1,778.17

Finding the Fourth Proportional to 3,104.50, 4,284.39 and 1,778.17

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Solution

The fourth proportional to 3,104.50, 4,284.39 and 1,778.17 is: 2,453.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.50 : 4,284.39 = 1,778.17 : x
  2. Step 2: Convert to fraction form
    3,104.50/4,284.39 = 1,778.17/x
  3. Step 3: Cross multiply
    3,104.50x = 4,284.39 × 1,778.17
  4. Step 4: Simplify right side
    3,104.50x = 7,618,373.77
  5. Step 5: Solve for x
    x = 7,618,373.77/3,104.50
  6. Step 6: Final answer
    x = 2,453.98

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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.