Home / 3,883.50-5,358.69-2,391.66

Finding the Fourth Proportional to 3,883.50, 5,358.69 and 2,391.66

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Solution

The fourth proportional to 3,883.50, 5,358.69 and 2,391.66 is: 3,300.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.50 : 5,358.69 = 2,391.66 : x
  2. Step 2: Convert to fraction form
    3,883.50/5,358.69 = 2,391.66/x
  3. Step 3: Cross multiply
    3,883.50x = 5,358.69 × 2,391.66
  4. Step 4: Simplify right side
    3,883.50x = 12,816,164.53
  5. Step 5: Solve for x
    x = 12,816,164.53/3,883.50
  6. Step 6: Final answer
    x = 3,300.16

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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.