Home / 3,353.70-5,025.15-1,707.78

Finding the Fourth Proportional to 3,353.70, 5,025.15 and 1,707.78

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Solution

The fourth proportional to 3,353.70, 5,025.15 and 1,707.78 is: 2,558.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.70 : 5,025.15 = 1,707.78 : x
  2. Step 2: Convert to fraction form
    3,353.70/5,025.15 = 1,707.78/x
  3. Step 3: Cross multiply
    3,353.70x = 5,025.15 × 1,707.78
  4. Step 4: Simplify right side
    3,353.70x = 8,581,850.67
  5. Step 5: Solve for x
    x = 8,581,850.67/3,353.70
  6. Step 6: Final answer
    x = 2,558.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.