Home / 2,137.24-3,205.90-750.62

Finding the Fourth Proportional to 2,137.24, 3,205.90 and 750.62

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Solution

The fourth proportional to 2,137.24, 3,205.90 and 750.62 is: 1,125.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.24 : 3,205.90 = 750.62 : x
  2. Step 2: Convert to fraction form
    2,137.24/3,205.90 = 750.62/x
  3. Step 3: Cross multiply
    2,137.24x = 3,205.90 × 750.62
  4. Step 4: Simplify right side
    2,137.24x = 2,406,412.66
  5. Step 5: Solve for x
    x = 2,406,412.66/2,137.24
  6. Step 6: Final answer
    x = 1,125.94

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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.