Home / 3,419.81-5,126.42-1,753.94

Finding the Fourth Proportional to 3,419.81, 5,126.42 and 1,753.94

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Solution

The fourth proportional to 3,419.81, 5,126.42 and 1,753.94 is: 2,629.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.81 : 5,126.42 = 1,753.94 : x
  2. Step 2: Convert to fraction form
    3,419.81/5,126.42 = 1,753.94/x
  3. Step 3: Cross multiply
    3,419.81x = 5,126.42 × 1,753.94
  4. Step 4: Simplify right side
    3,419.81x = 8,991,398.69
  5. Step 5: Solve for x
    x = 8,991,398.69/3,419.81
  6. Step 6: Final answer
    x = 2,629.21

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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.