Home / 3,781.19-5,223.03-3,153.77

Finding the Fourth Proportional to 3,781.19, 5,223.03 and 3,153.77

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Solution

The fourth proportional to 3,781.19, 5,223.03 and 3,153.77 is: 4,356.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.19 : 5,223.03 = 3,153.77 : x
  2. Step 2: Convert to fraction form
    3,781.19/5,223.03 = 3,153.77/x
  3. Step 3: Cross multiply
    3,781.19x = 5,223.03 × 3,153.77
  4. Step 4: Simplify right side
    3,781.19x = 16,472,235.32
  5. Step 5: Solve for x
    x = 16,472,235.32/3,781.19
  6. Step 6: Final answer
    x = 4,356.36

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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.