Home / 3,324.24-4,989.40-1,681.91

Finding the Fourth Proportional to 3,324.24, 4,989.40 and 1,681.91

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Solution

The fourth proportional to 3,324.24, 4,989.40 and 1,681.91 is: 2,524.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.24 : 4,989.40 = 1,681.91 : x
  2. Step 2: Convert to fraction form
    3,324.24/4,989.40 = 1,681.91/x
  3. Step 3: Cross multiply
    3,324.24x = 4,989.40 × 1,681.91
  4. Step 4: Simplify right side
    3,324.24x = 8,391,739.38
  5. Step 5: Solve for x
    x = 8,391,739.38/3,324.24
  6. Step 6: Final answer
    x = 2,524.41

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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.