Home / 2,203.54-3,040.78-1,319.83

Finding the Fourth Proportional to 2,203.54, 3,040.78 and 1,319.83

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Solution

The fourth proportional to 2,203.54, 3,040.78 and 1,319.83 is: 1,821.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.54 : 3,040.78 = 1,319.83 : x
  2. Step 2: Convert to fraction form
    2,203.54/3,040.78 = 1,319.83/x
  3. Step 3: Cross multiply
    2,203.54x = 3,040.78 × 1,319.83
  4. Step 4: Simplify right side
    2,203.54x = 4,013,305.07
  5. Step 5: Solve for x
    x = 4,013,305.07/2,203.54
  6. Step 6: Final answer
    x = 1,821.30

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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.