Home / 2,007.26-3,007.78-1,392.16

Finding the Fourth Proportional to 2,007.26, 3,007.78 and 1,392.16

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Solution

The fourth proportional to 2,007.26, 3,007.78 and 1,392.16 is: 2,086.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007.26 : 3,007.78 = 1,392.16 : x
  2. Step 2: Convert to fraction form
    2,007.26/3,007.78 = 1,392.16/x
  3. Step 3: Cross multiply
    2,007.26x = 3,007.78 × 1,392.16
  4. Step 4: Simplify right side
    2,007.26x = 4,187,311.00
  5. Step 5: Solve for x
    x = 4,187,311.00/2,007.26
  6. Step 6: Final answer
    x = 2,086.08

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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.