Home / 2,202.76-3,041.86-1,418.18

Finding the Fourth Proportional to 2,202.76, 3,041.86 and 1,418.18

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Solution

The fourth proportional to 2,202.76, 3,041.86 and 1,418.18 is: 1,958.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.76 : 3,041.86 = 1,418.18 : x
  2. Step 2: Convert to fraction form
    2,202.76/3,041.86 = 1,418.18/x
  3. Step 3: Cross multiply
    2,202.76x = 3,041.86 × 1,418.18
  4. Step 4: Simplify right side
    2,202.76x = 4,313,905.01
  5. Step 5: Solve for x
    x = 4,313,905.01/2,202.76
  6. Step 6: Final answer
    x = 1,958.41

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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.