Home / 3,412.14-5,116.09-3,122.10

Finding the Fourth Proportional to 3,412.14, 5,116.09 and 3,122.10

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Solution

The fourth proportional to 3,412.14, 5,116.09 and 3,122.10 is: 4,681.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.14 : 5,116.09 = 3,122.10 : x
  2. Step 2: Convert to fraction form
    3,412.14/5,116.09 = 3,122.10/x
  3. Step 3: Cross multiply
    3,412.14x = 5,116.09 × 3,122.10
  4. Step 4: Simplify right side
    3,412.14x = 15,972,944.59
  5. Step 5: Solve for x
    x = 15,972,944.59/3,412.14
  6. Step 6: Final answer
    x = 4,681.21

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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.