Home / 3,207.60-4,811.40-2,223.45

Finding the Fourth Proportional to 3,207.60, 4,811.40 and 2,223.45

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Solution

The fourth proportional to 3,207.60, 4,811.40 and 2,223.45 is: 3,335.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.60 : 4,811.40 = 2,223.45 : x
  2. Step 2: Convert to fraction form
    3,207.60/4,811.40 = 2,223.45/x
  3. Step 3: Cross multiply
    3,207.60x = 4,811.40 × 2,223.45
  4. Step 4: Simplify right side
    3,207.60x = 10,697,907.33
  5. Step 5: Solve for x
    x = 10,697,907.33/3,207.60
  6. Step 6: Final answer
    x = 3,335.18

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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.