Home / 3,568.56-5,352.72-1,619.40

Finding the Fourth Proportional to 3,568.56, 5,352.72 and 1,619.40

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Solution

The fourth proportional to 3,568.56, 5,352.72 and 1,619.40 is: 2,429.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.56 : 5,352.72 = 1,619.40 : x
  2. Step 2: Convert to fraction form
    3,568.56/5,352.72 = 1,619.40/x
  3. Step 3: Cross multiply
    3,568.56x = 5,352.72 × 1,619.40
  4. Step 4: Simplify right side
    3,568.56x = 8,668,194.77
  5. Step 5: Solve for x
    x = 8,668,194.77/3,568.56
  6. Step 6: Final answer
    x = 2,429.05

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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.