Home / 2,236.61-3,351.68-1,260.64

Finding the Fourth Proportional to 2,236.61, 3,351.68 and 1,260.64

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Solution

The fourth proportional to 2,236.61, 3,351.68 and 1,260.64 is: 1,889.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.61 : 3,351.68 = 1,260.64 : x
  2. Step 2: Convert to fraction form
    2,236.61/3,351.68 = 1,260.64/x
  3. Step 3: Cross multiply
    2,236.61x = 3,351.68 × 1,260.64
  4. Step 4: Simplify right side
    2,236.61x = 4,225,238.81
  5. Step 5: Solve for x
    x = 4,225,238.81/2,236.61
  6. Step 6: Final answer
    x = 1,889.13

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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.