Home / 2,041.78-2,818.62-1,202.22

Finding the Fourth Proportional to 2,041.78, 2,818.62 and 1,202.22

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Solution

The fourth proportional to 2,041.78, 2,818.62 and 1,202.22 is: 1,659.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.78 : 2,818.62 = 1,202.22 : x
  2. Step 2: Convert to fraction form
    2,041.78/2,818.62 = 1,202.22/x
  3. Step 3: Cross multiply
    2,041.78x = 2,818.62 × 1,202.22
  4. Step 4: Simplify right side
    2,041.78x = 3,388,581.23
  5. Step 5: Solve for x
    x = 3,388,581.23/2,041.78
  6. Step 6: Final answer
    x = 1,659.62

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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.