Home / 3,951.47-5,928.06-1,178.37

Finding the Fourth Proportional to 3,951.47, 5,928.06 and 1,178.37

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Solution

The fourth proportional to 3,951.47, 5,928.06 and 1,178.37 is: 1,767.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.47 : 5,928.06 = 1,178.37 : x
  2. Step 2: Convert to fraction form
    3,951.47/5,928.06 = 1,178.37/x
  3. Step 3: Cross multiply
    3,951.47x = 5,928.06 × 1,178.37
  4. Step 4: Simplify right side
    3,951.47x = 6,985,448.06
  5. Step 5: Solve for x
    x = 6,985,448.06/3,951.47
  6. Step 6: Final answer
    x = 1,767.81

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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.