Home / 3,883.10-5,358.81-2,290.83

Finding the Fourth Proportional to 3,883.10, 5,358.81 and 2,290.83

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Solution

The fourth proportional to 3,883.10, 5,358.81 and 2,290.83 is: 3,161.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.10 : 5,358.81 = 2,290.83 : x
  2. Step 2: Convert to fraction form
    3,883.10/5,358.81 = 2,290.83/x
  3. Step 3: Cross multiply
    3,883.10x = 5,358.81 × 2,290.83
  4. Step 4: Simplify right side
    3,883.10x = 12,276,122.71
  5. Step 5: Solve for x
    x = 12,276,122.71/3,883.10
  6. Step 6: Final answer
    x = 3,161.43

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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.