Home / 4,137.18-5,709.39-2,368.78

Finding the Fourth Proportional to 4,137.18, 5,709.39 and 2,368.78

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Solution

The fourth proportional to 4,137.18, 5,709.39 and 2,368.78 is: 3,268.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,137.18 : 5,709.39 = 2,368.78 : x
  2. Step 2: Convert to fraction form
    4,137.18/5,709.39 = 2,368.78/x
  3. Step 3: Cross multiply
    4,137.18x = 5,709.39 × 2,368.78
  4. Step 4: Simplify right side
    4,137.18x = 13,524,265.69
  5. Step 5: Solve for x
    x = 13,524,265.69/4,137.18
  6. Step 6: Final answer
    x = 3,268.95

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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.