Home / 2,202.51-3,039.17-1,318.13

Finding the Fourth Proportional to 2,202.51, 3,039.17 and 1,318.13

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Solution

The fourth proportional to 2,202.51, 3,039.17 and 1,318.13 is: 1,818.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.51 : 3,039.17 = 1,318.13 : x
  2. Step 2: Convert to fraction form
    2,202.51/3,039.17 = 1,318.13/x
  3. Step 3: Cross multiply
    2,202.51x = 3,039.17 × 1,318.13
  4. Step 4: Simplify right side
    2,202.51x = 4,005,999.37
  5. Step 5: Solve for x
    x = 4,005,999.37/2,202.51
  6. Step 6: Final answer
    x = 1,818.83

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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.