Home / 3,400.12-5,097.85-1,178.39

Finding the Fourth Proportional to 3,400.12, 5,097.85 and 1,178.39

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Solution

The fourth proportional to 3,400.12, 5,097.85 and 1,178.39 is: 1,766.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.12 : 5,097.85 = 1,178.39 : x
  2. Step 2: Convert to fraction form
    3,400.12/5,097.85 = 1,178.39/x
  3. Step 3: Cross multiply
    3,400.12x = 5,097.85 × 1,178.39
  4. Step 4: Simplify right side
    3,400.12x = 6,007,224.08
  5. Step 5: Solve for x
    x = 6,007,224.08/3,400.12
  6. Step 6: Final answer
    x = 1,766.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.