Home / 3,287.14-4,528.54-2,290.61

Finding the Fourth Proportional to 3,287.14, 4,528.54 and 2,290.61

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Solution

The fourth proportional to 3,287.14, 4,528.54 and 2,290.61 is: 3,155.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.14 : 4,528.54 = 2,290.61 : x
  2. Step 2: Convert to fraction form
    3,287.14/4,528.54 = 2,290.61/x
  3. Step 3: Cross multiply
    3,287.14x = 4,528.54 × 2,290.61
  4. Step 4: Simplify right side
    3,287.14x = 10,373,119.01
  5. Step 5: Solve for x
    x = 10,373,119.01/3,287.14
  6. Step 6: Final answer
    x = 3,155.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.