Home / 2,314.65-3,470.85-1,327.32

Finding the Fourth Proportional to 2,314.65, 3,470.85 and 1,327.32

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Solution

The fourth proportional to 2,314.65, 3,470.85 and 1,327.32 is: 1,990.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,314.65 : 3,470.85 = 1,327.32 : x
  2. Step 2: Convert to fraction form
    2,314.65/3,470.85 = 1,327.32/x
  3. Step 3: Cross multiply
    2,314.65x = 3,470.85 × 1,327.32
  4. Step 4: Simplify right side
    2,314.65x = 4,606,928.62
  5. Step 5: Solve for x
    x = 4,606,928.62/2,314.65
  6. Step 6: Final answer
    x = 1,990.33

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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.