Home / 2,312.22-3,468.33-1,272.18

Finding the Fourth Proportional to 2,312.22, 3,468.33 and 1,272.18

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Solution

The fourth proportional to 2,312.22, 3,468.33 and 1,272.18 is: 1,908.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312.22 : 3,468.33 = 1,272.18 : x
  2. Step 2: Convert to fraction form
    2,312.22/3,468.33 = 1,272.18/x
  3. Step 3: Cross multiply
    2,312.22x = 3,468.33 × 1,272.18
  4. Step 4: Simplify right side
    2,312.22x = 4,412,340.06
  5. Step 5: Solve for x
    x = 4,412,340.06/2,312.22
  6. Step 6: Final answer
    x = 1,908.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.