Home / 2,243.68-3,097.70-1,447.32

Finding the Fourth Proportional to 2,243.68, 3,097.70 and 1,447.32

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Solution

The fourth proportional to 2,243.68, 3,097.70 and 1,447.32 is: 1,998.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,243.68 : 3,097.70 = 1,447.32 : x
  2. Step 2: Convert to fraction form
    2,243.68/3,097.70 = 1,447.32/x
  3. Step 3: Cross multiply
    2,243.68x = 3,097.70 × 1,447.32
  4. Step 4: Simplify right side
    2,243.68x = 4,483,363.16
  5. Step 5: Solve for x
    x = 4,483,363.16/2,243.68
  6. Step 6: Final answer
    x = 1,998.22

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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.