Home / 2,241.81-3,093.75-1,247.18

Finding the Fourth Proportional to 2,241.81, 3,093.75 and 1,247.18

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Solution

The fourth proportional to 2,241.81, 3,093.75 and 1,247.18 is: 1,721.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,241.81 : 3,093.75 = 1,247.18 : x
  2. Step 2: Convert to fraction form
    2,241.81/3,093.75 = 1,247.18/x
  3. Step 3: Cross multiply
    2,241.81x = 3,093.75 × 1,247.18
  4. Step 4: Simplify right side
    2,241.81x = 3,858,463.13
  5. Step 5: Solve for x
    x = 3,858,463.13/2,241.81
  6. Step 6: Final answer
    x = 1,721.14

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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.