Home / 3,209.42-4,810.53-2,100.96

Finding the Fourth Proportional to 3,209.42, 4,810.53 and 2,100.96

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Solution

The fourth proportional to 3,209.42, 4,810.53 and 2,100.96 is: 3,149.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.42 : 4,810.53 = 2,100.96 : x
  2. Step 2: Convert to fraction form
    3,209.42/4,810.53 = 2,100.96/x
  3. Step 3: Cross multiply
    3,209.42x = 4,810.53 × 2,100.96
  4. Step 4: Simplify right side
    3,209.42x = 10,106,731.11
  5. Step 5: Solve for x
    x = 10,106,731.11/3,209.42
  6. Step 6: Final answer
    x = 3,149.08

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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.