Home / 2,283.42-3,425.13-1,187.22

Finding the Fourth Proportional to 2,283.42, 3,425.13 and 1,187.22

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Solution

The fourth proportional to 2,283.42, 3,425.13 and 1,187.22 is: 1,780.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,283.42 : 3,425.13 = 1,187.22 : x
  2. Step 2: Convert to fraction form
    2,283.42/3,425.13 = 1,187.22/x
  3. Step 3: Cross multiply
    2,283.42x = 3,425.13 × 1,187.22
  4. Step 4: Simplify right side
    2,283.42x = 4,066,382.84
  5. Step 5: Solve for x
    x = 4,066,382.84/2,283.42
  6. Step 6: Final answer
    x = 1,780.83

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Double scale
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Similar ratio
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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.