Home / 2,133.68-2,944.46-1,202.20

Finding the Fourth Proportional to 2,133.68, 2,944.46 and 1,202.20

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Solution

The fourth proportional to 2,133.68, 2,944.46 and 1,202.20 is: 1,659.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.68 : 2,944.46 = 1,202.20 : x
  2. Step 2: Convert to fraction form
    2,133.68/2,944.46 = 1,202.20/x
  3. Step 3: Cross multiply
    2,133.68x = 2,944.46 × 1,202.20
  4. Step 4: Simplify right side
    2,133.68x = 3,539,829.81
  5. Step 5: Solve for x
    x = 3,539,829.81/2,133.68
  6. Step 6: Final answer
    x = 1,659.03

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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.