Home / 3,163.47-4,746.22-1,520.14

Finding the Fourth Proportional to 3,163.47, 4,746.22 and 1,520.14

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Solution

The fourth proportional to 3,163.47, 4,746.22 and 1,520.14 is: 2,280.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.47 : 4,746.22 = 1,520.14 : x
  2. Step 2: Convert to fraction form
    3,163.47/4,746.22 = 1,520.14/x
  3. Step 3: Cross multiply
    3,163.47x = 4,746.22 × 1,520.14
  4. Step 4: Simplify right side
    3,163.47x = 7,214,895.14
  5. Step 5: Solve for x
    x = 7,214,895.14/3,163.47
  6. Step 6: Final answer
    x = 2,280.69

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1.5x scale

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.