Home / 2,238.61-3,354.68-1,262.64

Finding the Fourth Proportional to 2,238.61, 3,354.68 and 1,262.64

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Solution

The fourth proportional to 2,238.61, 3,354.68 and 1,262.64 is: 1,892.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.61 : 3,354.68 = 1,262.64 : x
  2. Step 2: Convert to fraction form
    2,238.61/3,354.68 = 1,262.64/x
  3. Step 3: Cross multiply
    2,238.61x = 3,354.68 × 1,262.64
  4. Step 4: Simplify right side
    2,238.61x = 4,235,730.07
  5. Step 5: Solve for x
    x = 4,235,730.07/2,238.61
  6. Step 6: Final answer
    x = 1,892.13

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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.