Home / 3,162.64-4,363.94-1,765.40

Finding the Fourth Proportional to 3,162.64, 4,363.94 and 1,765.40

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Solution

The fourth proportional to 3,162.64, 4,363.94 and 1,765.40 is: 2,435.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.64 : 4,363.94 = 1,765.40 : x
  2. Step 2: Convert to fraction form
    3,162.64/4,363.94 = 1,765.40/x
  3. Step 3: Cross multiply
    3,162.64x = 4,363.94 × 1,765.40
  4. Step 4: Simplify right side
    3,162.64x = 7,704,099.68
  5. Step 5: Solve for x
    x = 7,704,099.68/3,162.64
  6. Step 6: Final answer
    x = 2,435.97

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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.