Home / 3,217.22-4,821.98-1,657.97

Finding the Fourth Proportional to 3,217.22, 4,821.98 and 1,657.97

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Solution

The fourth proportional to 3,217.22, 4,821.98 and 1,657.97 is: 2,484.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.22 : 4,821.98 = 1,657.97 : x
  2. Step 2: Convert to fraction form
    3,217.22/4,821.98 = 1,657.97/x
  3. Step 3: Cross multiply
    3,217.22x = 4,821.98 × 1,657.97
  4. Step 4: Simplify right side
    3,217.22x = 7,994,714.38
  5. Step 5: Solve for x
    x = 7,994,714.38/3,217.22
  6. Step 6: Final answer
    x = 2,484.97

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1.5x scale

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.