Home / 3,163.60-4,366.32-1,837.20

Finding the Fourth Proportional to 3,163.60, 4,366.32 and 1,837.20

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Solution

The fourth proportional to 3,163.60, 4,366.32 and 1,837.20 is: 2,535.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.60 : 4,366.32 = 1,837.20 : x
  2. Step 2: Convert to fraction form
    3,163.60/4,366.32 = 1,837.20/x
  3. Step 3: Cross multiply
    3,163.60x = 4,366.32 × 1,837.20
  4. Step 4: Simplify right side
    3,163.60x = 8,021,803.10
  5. Step 5: Solve for x
    x = 8,021,803.10/3,163.60
  6. Step 6: Final answer
    x = 2,535.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.