Home / 2,976.60-4,107.66-1,632.20

Finding the Fourth Proportional to 2,976.60, 4,107.66 and 1,632.20

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Solution

The fourth proportional to 2,976.60, 4,107.66 and 1,632.20 is: 2,252.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.60 : 4,107.66 = 1,632.20 : x
  2. Step 2: Convert to fraction form
    2,976.60/4,107.66 = 1,632.20/x
  3. Step 3: Cross multiply
    2,976.60x = 4,107.66 × 1,632.20
  4. Step 4: Simplify right side
    2,976.60x = 6,704,522.65
  5. Step 5: Solve for x
    x = 6,704,522.65/2,976.60
  6. Step 6: Final answer
    x = 2,252.41

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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.