Home / 3,534.88-4,879.52-2,579.20

Finding the Fourth Proportional to 3,534.88, 4,879.52 and 2,579.20

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Solution

The fourth proportional to 3,534.88, 4,879.52 and 2,579.20 is: 3,560.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,534.88 : 4,879.52 = 2,579.20 : x
  2. Step 2: Convert to fraction form
    3,534.88/4,879.52 = 2,579.20/x
  3. Step 3: Cross multiply
    3,534.88x = 4,879.52 × 2,579.20
  4. Step 4: Simplify right side
    3,534.88x = 12,585,257.98
  5. Step 5: Solve for x
    x = 12,585,257.98/3,534.88
  6. Step 6: Final answer
    x = 3,560.31

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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.