Home / 3,579.79-4,941.20-2,320.92

Finding the Fourth Proportional to 3,579.79, 4,941.20 and 2,320.92

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Solution

The fourth proportional to 3,579.79, 4,941.20 and 2,320.92 is: 3,203.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.79 : 4,941.20 = 2,320.92 : x
  2. Step 2: Convert to fraction form
    3,579.79/4,941.20 = 2,320.92/x
  3. Step 3: Cross multiply
    3,579.79x = 4,941.20 × 2,320.92
  4. Step 4: Simplify right side
    3,579.79x = 11,468,129.90
  5. Step 5: Solve for x
    x = 11,468,129.90/3,579.79
  6. Step 6: Final answer
    x = 3,203.58

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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.