Home / 3,244.65-4,871.83-3,131.25

Finding the Fourth Proportional to 3,244.65, 4,871.83 and 3,131.25

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Solution

The fourth proportional to 3,244.65, 4,871.83 and 3,131.25 is: 4,701.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,244.65 : 4,871.83 = 3,131.25 : x
  2. Step 2: Convert to fraction form
    3,244.65/4,871.83 = 3,131.25/x
  3. Step 3: Cross multiply
    3,244.65x = 4,871.83 × 3,131.25
  4. Step 4: Simplify right side
    3,244.65x = 15,254,917.69
  5. Step 5: Solve for x
    x = 15,254,917.69/3,244.65
  6. Step 6: Final answer
    x = 4,701.56

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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.