Home / 2,205.74-3,301.50-1,217

Finding the Fourth Proportional to 2,205.74, 3,301.50 and 1,217

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Solution

The fourth proportional to 2,205.74, 3,301.50 and 1,217 is: 1,821.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.74 : 3,301.50 = 1,217 : x
  2. Step 2: Convert to fraction form
    2,205.74/3,301.50 = 1,217/x
  3. Step 3: Cross multiply
    2,205.74x = 3,301.50 × 1,217
  4. Step 4: Simplify right side
    2,205.74x = 4,017,925.50
  5. Step 5: Solve for x
    x = 4,017,925.50/2,205.74
  6. Step 6: Final answer
    x = 1,821.58

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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.