Home / 2,240.83-3,355.09-1,691.35

Finding the Fourth Proportional to 2,240.83, 3,355.09 and 1,691.35

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Solution

The fourth proportional to 2,240.83, 3,355.09 and 1,691.35 is: 2,532.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.83 : 3,355.09 = 1,691.35 : x
  2. Step 2: Convert to fraction form
    2,240.83/3,355.09 = 1,691.35/x
  3. Step 3: Cross multiply
    2,240.83x = 3,355.09 × 1,691.35
  4. Step 4: Simplify right side
    2,240.83x = 5,674,631.47
  5. Step 5: Solve for x
    x = 5,674,631.47/2,240.83
  6. Step 6: Final answer
    x = 2,532.38

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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.