Home / 3,324.38-4,987.70-2,090.34

Finding the Fourth Proportional to 3,324.38, 4,987.70 and 2,090.34

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Solution

The fourth proportional to 3,324.38, 4,987.70 and 2,090.34 is: 3,136.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.38 : 4,987.70 = 2,090.34 : x
  2. Step 2: Convert to fraction form
    3,324.38/4,987.70 = 2,090.34/x
  3. Step 3: Cross multiply
    3,324.38x = 4,987.70 × 2,090.34
  4. Step 4: Simplify right side
    3,324.38x = 10,425,988.82
  5. Step 5: Solve for x
    x = 10,425,988.82/3,324.38
  6. Step 6: Final answer
    x = 3,136.22

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1.5x scale

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.