Home / 2,746.22-4,119.33-1,286.40

Finding the Fourth Proportional to 2,746.22, 4,119.33 and 1,286.40

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Solution

The fourth proportional to 2,746.22, 4,119.33 and 1,286.40 is: 1,929.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.22 : 4,119.33 = 1,286.40 : x
  2. Step 2: Convert to fraction form
    2,746.22/4,119.33 = 1,286.40/x
  3. Step 3: Cross multiply
    2,746.22x = 4,119.33 × 1,286.40
  4. Step 4: Simplify right side
    2,746.22x = 5,299,106.11
  5. Step 5: Solve for x
    x = 5,299,106.11/2,746.22
  6. Step 6: Final answer
    x = 1,929.60

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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.