Home / 3,568.44-5,354.19-1,378.71

Finding the Fourth Proportional to 3,568.44, 5,354.19 and 1,378.71

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Solution

The fourth proportional to 3,568.44, 5,354.19 and 1,378.71 is: 2,068.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.44 : 5,354.19 = 1,378.71 : x
  2. Step 2: Convert to fraction form
    3,568.44/5,354.19 = 1,378.71/x
  3. Step 3: Cross multiply
    3,568.44x = 5,354.19 × 1,378.71
  4. Step 4: Simplify right side
    3,568.44x = 7,381,875.29
  5. Step 5: Solve for x
    x = 7,381,875.29/3,568.44
  6. Step 6: Final answer
    x = 2,068.66

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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.