Home / 3,209.32-4,812.81-1,360.55

Finding the Fourth Proportional to 3,209.32, 4,812.81 and 1,360.55

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Solution

The fourth proportional to 3,209.32, 4,812.81 and 1,360.55 is: 2,040.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.32 : 4,812.81 = 1,360.55 : x
  2. Step 2: Convert to fraction form
    3,209.32/4,812.81 = 1,360.55/x
  3. Step 3: Cross multiply
    3,209.32x = 4,812.81 × 1,360.55
  4. Step 4: Simplify right side
    3,209.32x = 6,548,068.65
  5. Step 5: Solve for x
    x = 6,548,068.65/3,209.32
  6. Step 6: Final answer
    x = 2,040.33

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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.