Home / 4,090.79-5,645.10-2,273.69

Finding the Fourth Proportional to 4,090.79, 5,645.10 and 2,273.69

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Solution

The fourth proportional to 4,090.79, 5,645.10 and 2,273.69 is: 3,137.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.79 : 5,645.10 = 2,273.69 : x
  2. Step 2: Convert to fraction form
    4,090.79/5,645.10 = 2,273.69/x
  3. Step 3: Cross multiply
    4,090.79x = 5,645.10 × 2,273.69
  4. Step 4: Simplify right side
    4,090.79x = 12,835,179.19
  5. Step 5: Solve for x
    x = 12,835,179.19/4,090.79
  6. Step 6: Final answer
    x = 3,137.58

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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.