Home / 3,057.60-4,220.16-2,009.76

Finding the Fourth Proportional to 3,057.60, 4,220.16 and 2,009.76

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Solution

The fourth proportional to 3,057.60, 4,220.16 and 2,009.76 is: 2,773.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.60 : 4,220.16 = 2,009.76 : x
  2. Step 2: Convert to fraction form
    3,057.60/4,220.16 = 2,009.76/x
  3. Step 3: Cross multiply
    3,057.60x = 4,220.16 × 2,009.76
  4. Step 4: Simplify right side
    3,057.60x = 8,481,508.76
  5. Step 5: Solve for x
    x = 8,481,508.76/3,057.60
  6. Step 6: Final answer
    x = 2,773.91

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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.