Home / 2,190.90-3,287.78-1,036.02

Finding the Fourth Proportional to 2,190.90, 3,287.78 and 1,036.02

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Solution

The fourth proportional to 2,190.90, 3,287.78 and 1,036.02 is: 1,554.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.90 : 3,287.78 = 1,036.02 : x
  2. Step 2: Convert to fraction form
    2,190.90/3,287.78 = 1,036.02/x
  3. Step 3: Cross multiply
    2,190.90x = 3,287.78 × 1,036.02
  4. Step 4: Simplify right side
    2,190.90x = 3,406,205.84
  5. Step 5: Solve for x
    x = 3,406,205.84/2,190.90
  6. Step 6: Final answer
    x = 1,554.71

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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.