Home / 2,202.45-3,303.56-1,325.22

Finding the Fourth Proportional to 2,202.45, 3,303.56 and 1,325.22

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Solution

The fourth proportional to 2,202.45, 3,303.56 and 1,325.22 is: 1,987.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.45 : 3,303.56 = 1,325.22 : x
  2. Step 2: Convert to fraction form
    2,202.45/3,303.56 = 1,325.22/x
  3. Step 3: Cross multiply
    2,202.45x = 3,303.56 × 1,325.22
  4. Step 4: Simplify right side
    2,202.45x = 4,377,937.16
  5. Step 5: Solve for x
    x = 4,377,937.16/2,202.45
  6. Step 6: Final answer
    x = 1,987.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.