Home / 3,239.77-4,857.98-1,048.21

Finding the Fourth Proportional to 3,239.77, 4,857.98 and 1,048.21

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Solution

The fourth proportional to 3,239.77, 4,857.98 and 1,048.21 is: 1,571.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.77 : 4,857.98 = 1,048.21 : x
  2. Step 2: Convert to fraction form
    3,239.77/4,857.98 = 1,048.21/x
  3. Step 3: Cross multiply
    3,239.77x = 4,857.98 × 1,048.21
  4. Step 4: Simplify right side
    3,239.77x = 5,092,177.97
  5. Step 5: Solve for x
    x = 5,092,177.97/3,239.77
  6. Step 6: Final answer
    x = 1,571.77

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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.