Home / 2,202.63-3,039.53-1,318.92

Finding the Fourth Proportional to 2,202.63, 3,039.53 and 1,318.92

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Solution

The fourth proportional to 2,202.63, 3,039.53 and 1,318.92 is: 1,820.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.63 : 3,039.53 = 1,318.92 : x
  2. Step 2: Convert to fraction form
    2,202.63/3,039.53 = 1,318.92/x
  3. Step 3: Cross multiply
    2,202.63x = 3,039.53 × 1,318.92
  4. Step 4: Simplify right side
    2,202.63x = 4,008,896.91
  5. Step 5: Solve for x
    x = 4,008,896.91/2,202.63
  6. Step 6: Final answer
    x = 1,820.05

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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.