Home / 3,629.60-5,008.96-2,057.76

Finding the Fourth Proportional to 3,629.60, 5,008.96 and 2,057.76

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Solution

The fourth proportional to 3,629.60, 5,008.96 and 2,057.76 is: 2,839.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.60 : 5,008.96 = 2,057.76 : x
  2. Step 2: Convert to fraction form
    3,629.60/5,008.96 = 2,057.76/x
  3. Step 3: Cross multiply
    3,629.60x = 5,008.96 × 2,057.76
  4. Step 4: Simplify right side
    3,629.60x = 10,307,237.53
  5. Step 5: Solve for x
    x = 10,307,237.53/3,629.60
  6. Step 6: Final answer
    x = 2,839.77

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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.