Home / 3,666.34-5,057.17-2,173.15

Finding the Fourth Proportional to 3,666.34, 5,057.17 and 2,173.15

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Solution

The fourth proportional to 3,666.34, 5,057.17 and 2,173.15 is: 2,997.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.34 : 5,057.17 = 2,173.15 : x
  2. Step 2: Convert to fraction form
    3,666.34/5,057.17 = 2,173.15/x
  3. Step 3: Cross multiply
    3,666.34x = 5,057.17 × 2,173.15
  4. Step 4: Simplify right side
    3,666.34x = 10,989,988.99
  5. Step 5: Solve for x
    x = 10,989,988.99/3,666.34
  6. Step 6: Final answer
    x = 2,997.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.