Home / 2,179.80-3,263.54-2,007.57

Finding the Fourth Proportional to 2,179.80, 3,263.54 and 2,007.57

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Solution

The fourth proportional to 2,179.80, 3,263.54 and 2,007.57 is: 3,005.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.80 : 3,263.54 = 2,007.57 : x
  2. Step 2: Convert to fraction form
    2,179.80/3,263.54 = 2,007.57/x
  3. Step 3: Cross multiply
    2,179.80x = 3,263.54 × 2,007.57
  4. Step 4: Simplify right side
    2,179.80x = 6,551,785.00
  5. Step 5: Solve for x
    x = 6,551,785.00/2,179.80
  6. Step 6: Final answer
    x = 3,005.68

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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.