Home / 2,203.81-3,042.19-1,319.42

Finding the Fourth Proportional to 2,203.81, 3,042.19 and 1,319.42

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Solution

The fourth proportional to 2,203.81, 3,042.19 and 1,319.42 is: 1,821.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.81 : 3,042.19 = 1,319.42 : x
  2. Step 2: Convert to fraction form
    2,203.81/3,042.19 = 1,319.42/x
  3. Step 3: Cross multiply
    2,203.81x = 3,042.19 × 1,319.42
  4. Step 4: Simplify right side
    2,203.81x = 4,013,935.58
  5. Step 5: Solve for x
    x = 4,013,935.58/2,203.81
  6. Step 6: Final answer
    x = 1,821.36

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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.