Home / 2,202.95-3,039.12-1,362.20

Finding the Fourth Proportional to 2,202.95, 3,039.12 and 1,362.20

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Solution

The fourth proportional to 2,202.95, 3,039.12 and 1,362.20 is: 1,879.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.95 : 3,039.12 = 1,362.20 : x
  2. Step 2: Convert to fraction form
    2,202.95/3,039.12 = 1,362.20/x
  3. Step 3: Cross multiply
    2,202.95x = 3,039.12 × 1,362.20
  4. Step 4: Simplify right side
    2,202.95x = 4,139,874.07
  5. Step 5: Solve for x
    x = 4,139,874.07/2,202.95
  6. Step 6: Final answer
    x = 1,879.25

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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.