Home / 3,057.84-4,220.28-2,012.04

Finding the Fourth Proportional to 3,057.84, 4,220.28 and 2,012.04

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Solution

The fourth proportional to 3,057.84, 4,220.28 and 2,012.04 is: 2,776.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.84 : 4,220.28 = 2,012.04 : x
  2. Step 2: Convert to fraction form
    3,057.84/4,220.28 = 2,012.04/x
  3. Step 3: Cross multiply
    3,057.84x = 4,220.28 × 2,012.04
  4. Step 4: Simplify right side
    3,057.84x = 8,491,372.17
  5. Step 5: Solve for x
    x = 8,491,372.17/3,057.84
  6. Step 6: Final answer
    x = 2,776.92

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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.