Home / 3,202.20-4,804.68-1,123.68

Finding the Fourth Proportional to 3,202.20, 4,804.68 and 1,123.68

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Solution

The fourth proportional to 3,202.20, 4,804.68 and 1,123.68 is: 1,686.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,202.20 : 4,804.68 = 1,123.68 : x
  2. Step 2: Convert to fraction form
    3,202.20/4,804.68 = 1,123.68/x
  3. Step 3: Cross multiply
    3,202.20x = 4,804.68 × 1,123.68
  4. Step 4: Simplify right side
    3,202.20x = 5,398,922.82
  5. Step 5: Solve for x
    x = 5,398,922.82/3,202.20
  6. Step 6: Final answer
    x = 1,686.00

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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.