Home / 3,407.38-5,090.36-2,164.84

Finding the Fourth Proportional to 3,407.38, 5,090.36 and 2,164.84

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Solution

The fourth proportional to 3,407.38, 5,090.36 and 2,164.84 is: 3,234.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.38 : 5,090.36 = 2,164.84 : x
  2. Step 2: Convert to fraction form
    3,407.38/5,090.36 = 2,164.84/x
  3. Step 3: Cross multiply
    3,407.38x = 5,090.36 × 2,164.84
  4. Step 4: Simplify right side
    3,407.38x = 11,019,814.94
  5. Step 5: Solve for x
    x = 11,019,814.94/3,407.38
  6. Step 6: Final answer
    x = 3,234.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.