Home / 2,251.28-3,370.65-1,509.87

Finding the Fourth Proportional to 2,251.28, 3,370.65 and 1,509.87

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Solution

The fourth proportional to 2,251.28, 3,370.65 and 1,509.87 is: 2,260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.28 : 3,370.65 = 1,509.87 : x
  2. Step 2: Convert to fraction form
    2,251.28/3,370.65 = 1,509.87/x
  3. Step 3: Cross multiply
    2,251.28x = 3,370.65 × 1,509.87
  4. Step 4: Simplify right side
    2,251.28x = 5,089,243.32
  5. Step 5: Solve for x
    x = 5,089,243.32/2,251.28
  6. Step 6: Final answer
    x = 2,260.60

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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.