Home / 3,057.14-4,220.57-2,101.44

Finding the Fourth Proportional to 3,057.14, 4,220.57 and 2,101.44

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Solution

The fourth proportional to 3,057.14, 4,220.57 and 2,101.44 is: 2,901.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.14 : 4,220.57 = 2,101.44 : x
  2. Step 2: Convert to fraction form
    3,057.14/4,220.57 = 2,101.44/x
  3. Step 3: Cross multiply
    3,057.14x = 4,220.57 × 2,101.44
  4. Step 4: Simplify right side
    3,057.14x = 8,869,280.16
  5. Step 5: Solve for x
    x = 8,869,280.16/3,057.14
  6. Step 6: Final answer
    x = 2,901.17

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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.