Home / 3,557.89-4,910.00-2,065.71

Finding the Fourth Proportional to 3,557.89, 4,910.00 and 2,065.71

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Solution

The fourth proportional to 3,557.89, 4,910.00 and 2,065.71 is: 2,850.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.89 : 4,910.00 = 2,065.71 : x
  2. Step 2: Convert to fraction form
    3,557.89/4,910.00 = 2,065.71/x
  3. Step 3: Cross multiply
    3,557.89x = 4,910.00 × 2,065.71
  4. Step 4: Simplify right side
    3,557.89x = 10,142,659.68
  5. Step 5: Solve for x
    x = 10,142,659.68/3,557.89
  6. Step 6: Final answer
    x = 2,850.75

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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.