Home / 2,841.38-3,921.64-1,599.38

Finding the Fourth Proportional to 2,841.38, 3,921.64 and 1,599.38

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Solution

The fourth proportional to 2,841.38, 3,921.64 and 1,599.38 is: 2,207.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.38 : 3,921.64 = 1,599.38 : x
  2. Step 2: Convert to fraction form
    2,841.38/3,921.64 = 1,599.38/x
  3. Step 3: Cross multiply
    2,841.38x = 3,921.64 × 1,599.38
  4. Step 4: Simplify right side
    2,841.38x = 6,272,192.58
  5. Step 5: Solve for x
    x = 6,272,192.58/2,841.38
  6. Step 6: Final answer
    x = 2,207.45

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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.