Home / 3,507.52-4,845.68-2,621.80

Finding the Fourth Proportional to 3,507.52, 4,845.68 and 2,621.80

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Solution

The fourth proportional to 3,507.52, 4,845.68 and 2,621.80 is: 3,622.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.52 : 4,845.68 = 2,621.80 : x
  2. Step 2: Convert to fraction form
    3,507.52/4,845.68 = 2,621.80/x
  3. Step 3: Cross multiply
    3,507.52x = 4,845.68 × 2,621.80
  4. Step 4: Simplify right side
    3,507.52x = 12,704,403.82
  5. Step 5: Solve for x
    x = 12,704,403.82/3,507.52
  6. Step 6: Final answer
    x = 3,622.05

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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.