Home / 2,006.06-2,768.63-1,121.92

Finding the Fourth Proportional to 2,006.06, 2,768.63 and 1,121.92

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Solution

The fourth proportional to 2,006.06, 2,768.63 and 1,121.92 is: 1,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.06 : 2,768.63 = 1,121.92 : x
  2. Step 2: Convert to fraction form
    2,006.06/2,768.63 = 1,121.92/x
  3. Step 3: Cross multiply
    2,006.06x = 2,768.63 × 1,121.92
  4. Step 4: Simplify right side
    2,006.06x = 3,106,168.84
  5. Step 5: Solve for x
    x = 3,106,168.84/2,006.06
  6. Step 6: Final answer
    x = 1,548.40

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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.