Home / 4,042.88-5,579.10-2,274.48

Finding the Fourth Proportional to 4,042.88, 5,579.10 and 2,274.48

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Solution

The fourth proportional to 4,042.88, 5,579.10 and 2,274.48 is: 3,138.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.88 : 5,579.10 = 2,274.48 : x
  2. Step 2: Convert to fraction form
    4,042.88/5,579.10 = 2,274.48/x
  3. Step 3: Cross multiply
    4,042.88x = 5,579.10 × 2,274.48
  4. Step 4: Simplify right side
    4,042.88x = 12,689,551.37
  5. Step 5: Solve for x
    x = 12,689,551.37/4,042.88
  6. Step 6: Final answer
    x = 3,138.74

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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.