Home / 1,908.06-2,633.58-1,122.18

Finding the Fourth Proportional to 1,908.06, 2,633.58 and 1,122.18

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Solution

The fourth proportional to 1,908.06, 2,633.58 and 1,122.18 is: 1,548.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908.06 : 2,633.58 = 1,122.18 : x
  2. Step 2: Convert to fraction form
    1,908.06/2,633.58 = 1,122.18/x
  3. Step 3: Cross multiply
    1,908.06x = 2,633.58 × 1,122.18
  4. Step 4: Simplify right side
    1,908.06x = 2,955,350.80
  5. Step 5: Solve for x
    x = 2,955,350.80/1,908.06
  6. Step 6: Final answer
    x = 1,548.88

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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.