Home / 3,568.13-5,348.57-1,489.28

Finding the Fourth Proportional to 3,568.13, 5,348.57 and 1,489.28

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Solution

The fourth proportional to 3,568.13, 5,348.57 and 1,489.28 is: 2,232.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.13 : 5,348.57 = 1,489.28 : x
  2. Step 2: Convert to fraction form
    3,568.13/5,348.57 = 1,489.28/x
  3. Step 3: Cross multiply
    3,568.13x = 5,348.57 × 1,489.28
  4. Step 4: Simplify right side
    3,568.13x = 7,965,484.14
  5. Step 5: Solve for x
    x = 7,965,484.14/3,568.13
  6. Step 6: Final answer
    x = 2,232.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.