Home / 3,162.38-4,740.32-1,314.56

Finding the Fourth Proportional to 3,162.38, 4,740.32 and 1,314.56

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Solution

The fourth proportional to 3,162.38, 4,740.32 and 1,314.56 is: 1,970.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.38 : 4,740.32 = 1,314.56 : x
  2. Step 2: Convert to fraction form
    3,162.38/4,740.32 = 1,314.56/x
  3. Step 3: Cross multiply
    3,162.38x = 4,740.32 × 1,314.56
  4. Step 4: Simplify right side
    3,162.38x = 6,231,450.20
  5. Step 5: Solve for x
    x = 6,231,450.20/3,162.38
  6. Step 6: Final answer
    x = 1,970.50

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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.