Home / 3,178.60-4,763.52-2,022.28

Finding the Fourth Proportional to 3,178.60, 4,763.52 and 2,022.28

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Solution

The fourth proportional to 3,178.60, 4,763.52 and 2,022.28 is: 3,030.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.60 : 4,763.52 = 2,022.28 : x
  2. Step 2: Convert to fraction form
    3,178.60/4,763.52 = 2,022.28/x
  3. Step 3: Cross multiply
    3,178.60x = 4,763.52 × 2,022.28
  4. Step 4: Simplify right side
    3,178.60x = 9,633,171.23
  5. Step 5: Solve for x
    x = 9,633,171.23/3,178.60
  6. Step 6: Final answer
    x = 3,030.63

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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.