Home / 3,883.10-5,359.37-2,289.65

Finding the Fourth Proportional to 3,883.10, 5,359.37 and 2,289.65

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Solution

The fourth proportional to 3,883.10, 5,359.37 and 2,289.65 is: 3,160.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.10 : 5,359.37 = 2,289.65 : x
  2. Step 2: Convert to fraction form
    3,883.10/5,359.37 = 2,289.65/x
  3. Step 3: Cross multiply
    3,883.10x = 5,359.37 × 2,289.65
  4. Step 4: Simplify right side
    3,883.10x = 12,271,043.28
  5. Step 5: Solve for x
    x = 12,271,043.28/3,883.10
  6. Step 6: Final answer
    x = 3,160.12

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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.