Home / 3,555.05-5,335.29-2,863.40

Finding the Fourth Proportional to 3,555.05, 5,335.29 and 2,863.40

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Solution

The fourth proportional to 3,555.05, 5,335.29 and 2,863.40 is: 4,297.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.05 : 5,335.29 = 2,863.40 : x
  2. Step 2: Convert to fraction form
    3,555.05/5,335.29 = 2,863.40/x
  3. Step 3: Cross multiply
    3,555.05x = 5,335.29 × 2,863.40
  4. Step 4: Simplify right side
    3,555.05x = 15,277,042.71
  5. Step 5: Solve for x
    x = 15,277,042.71/3,555.05
  6. Step 6: Final answer
    x = 4,297.29

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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.