Home / 2,841.74-3,920.33-1,662.29

Finding the Fourth Proportional to 2,841.74, 3,920.33 and 1,662.29

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Solution

The fourth proportional to 2,841.74, 3,920.33 and 1,662.29 is: 2,293.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.74 : 3,920.33 = 1,662.29 : x
  2. Step 2: Convert to fraction form
    2,841.74/3,920.33 = 1,662.29/x
  3. Step 3: Cross multiply
    2,841.74x = 3,920.33 × 1,662.29
  4. Step 4: Simplify right side
    2,841.74x = 6,516,697.44
  5. Step 5: Solve for x
    x = 6,516,697.44/2,841.74
  6. Step 6: Final answer
    x = 2,293.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.