Home / 3,610.80-5,417.40-3,223.68

Finding the Fourth Proportional to 3,610.80, 5,417.40 and 3,223.68

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Solution

The fourth proportional to 3,610.80, 5,417.40 and 3,223.68 is: 4,836.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.80 : 5,417.40 = 3,223.68 : x
  2. Step 2: Convert to fraction form
    3,610.80/5,417.40 = 3,223.68/x
  3. Step 3: Cross multiply
    3,610.80x = 5,417.40 × 3,223.68
  4. Step 4: Simplify right side
    3,610.80x = 17,463,964.03
  5. Step 5: Solve for x
    x = 17,463,964.03/3,610.80
  6. Step 6: Final answer
    x = 4,836.59

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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.