Home / 3,579.09-4,941.35-2,385.75

Finding the Fourth Proportional to 3,579.09, 4,941.35 and 2,385.75

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Solution

The fourth proportional to 3,579.09, 4,941.35 and 2,385.75 is: 3,293.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.09 : 4,941.35 = 2,385.75 : x
  2. Step 2: Convert to fraction form
    3,579.09/4,941.35 = 2,385.75/x
  3. Step 3: Cross multiply
    3,579.09x = 4,941.35 × 2,385.75
  4. Step 4: Simplify right side
    3,579.09x = 11,788,854.73
  5. Step 5: Solve for x
    x = 11,788,854.73/3,579.09
  6. Step 6: Final answer
    x = 3,293.82

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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.