Home / 2,206.51-3,044.89-1,322.80

Finding the Fourth Proportional to 2,206.51, 3,044.89 and 1,322.80

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Solution

The fourth proportional to 2,206.51, 3,044.89 and 1,322.80 is: 1,825.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.51 : 3,044.89 = 1,322.80 : x
  2. Step 2: Convert to fraction form
    2,206.51/3,044.89 = 1,322.80/x
  3. Step 3: Cross multiply
    2,206.51x = 3,044.89 × 1,322.80
  4. Step 4: Simplify right side
    2,206.51x = 4,027,767.09
  5. Step 5: Solve for x
    x = 4,027,767.09/2,206.51
  6. Step 6: Final answer
    x = 1,825.40

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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.