Home / 3,202.92-4,420.05-1,786.77

Finding the Fourth Proportional to 3,202.92, 4,420.05 and 1,786.77

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Solution

The fourth proportional to 3,202.92, 4,420.05 and 1,786.77 is: 2,465.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,202.92 : 4,420.05 = 1,786.77 : x
  2. Step 2: Convert to fraction form
    3,202.92/4,420.05 = 1,786.77/x
  3. Step 3: Cross multiply
    3,202.92x = 4,420.05 × 1,786.77
  4. Step 4: Simplify right side
    3,202.92x = 7,897,612.74
  5. Step 5: Solve for x
    x = 7,897,612.74/3,202.92
  6. Step 6: Final answer
    x = 2,465.75

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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.