Home / 3,579.22-4,938.47-2,086.29

Finding the Fourth Proportional to 3,579.22, 4,938.47 and 2,086.29

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Solution

The fourth proportional to 3,579.22, 4,938.47 and 2,086.29 is: 2,878.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.22 : 4,938.47 = 2,086.29 : x
  2. Step 2: Convert to fraction form
    3,579.22/4,938.47 = 2,086.29/x
  3. Step 3: Cross multiply
    3,579.22x = 4,938.47 × 2,086.29
  4. Step 4: Simplify right side
    3,579.22x = 10,303,077.97
  5. Step 5: Solve for x
    x = 10,303,077.97/3,579.22
  6. Step 6: Final answer
    x = 2,878.58

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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.