Home / 3,210.30-4,811.40-2,343.60

Finding the Fourth Proportional to 3,210.30, 4,811.40 and 2,343.60

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Solution

The fourth proportional to 3,210.30, 4,811.40 and 2,343.60 is: 3,512.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.30 : 4,811.40 = 2,343.60 : x
  2. Step 2: Convert to fraction form
    3,210.30/4,811.40 = 2,343.60/x
  3. Step 3: Cross multiply
    3,210.30x = 4,811.40 × 2,343.60
  4. Step 4: Simplify right side
    3,210.30x = 11,275,997.04
  5. Step 5: Solve for x
    x = 11,275,997.04/3,210.30
  6. Step 6: Final answer
    x = 3,512.44

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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.