Home / 3,519.37-5,277.87-1,178.68

Finding the Fourth Proportional to 3,519.37, 5,277.87 and 1,178.68

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Solution

The fourth proportional to 3,519.37, 5,277.87 and 1,178.68 is: 1,767.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.37 : 5,277.87 = 1,178.68 : x
  2. Step 2: Convert to fraction form
    3,519.37/5,277.87 = 1,178.68/x
  3. Step 3: Cross multiply
    3,519.37x = 5,277.87 × 1,178.68
  4. Step 4: Simplify right side
    3,519.37x = 6,220,919.81
  5. Step 5: Solve for x
    x = 6,220,919.81/3,519.37
  6. Step 6: Final answer
    x = 1,767.62

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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.