Home / 3,579.48-4,938.80-2,144.32

Finding the Fourth Proportional to 3,579.48, 4,938.80 and 2,144.32

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Solution

The fourth proportional to 3,579.48, 4,938.80 and 2,144.32 is: 2,958.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.48 : 4,938.80 = 2,144.32 : x
  2. Step 2: Convert to fraction form
    3,579.48/4,938.80 = 2,144.32/x
  3. Step 3: Cross multiply
    3,579.48x = 4,938.80 × 2,144.32
  4. Step 4: Simplify right side
    3,579.48x = 10,590,344.55
  5. Step 5: Solve for x
    x = 10,590,344.55/3,579.48
  6. Step 6: Final answer
    x = 2,958.63

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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.