Home / 2,287.06-3,431.63-2,250.21

Finding the Fourth Proportional to 2,287.06, 3,431.63 and 2,250.21

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Solution

The fourth proportional to 2,287.06, 3,431.63 and 2,250.21 is: 3,376.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287.06 : 3,431.63 = 2,250.21 : x
  2. Step 2: Convert to fraction form
    2,287.06/3,431.63 = 2,250.21/x
  3. Step 3: Cross multiply
    2,287.06x = 3,431.63 × 2,250.21
  4. Step 4: Simplify right side
    2,287.06x = 7,721,888.14
  5. Step 5: Solve for x
    x = 7,721,888.14/2,287.06
  6. Step 6: Final answer
    x = 3,376.34

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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.