Home / 3,163.72-4,746.59-1,520.39

Finding the Fourth Proportional to 3,163.72, 4,746.59 and 1,520.39

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Solution

The fourth proportional to 3,163.72, 4,746.59 and 1,520.39 is: 2,281.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.72 : 4,746.59 = 1,520.39 : x
  2. Step 2: Convert to fraction form
    3,163.72/4,746.59 = 1,520.39/x
  3. Step 3: Cross multiply
    3,163.72x = 4,746.59 × 1,520.39
  4. Step 4: Simplify right side
    3,163.72x = 7,216,648.04
  5. Step 5: Solve for x
    x = 7,216,648.04/3,163.72
  6. Step 6: Final answer
    x = 2,281.07

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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.