Home / 3,607.53-4,979.91-2,191.68

Finding the Fourth Proportional to 3,607.53, 4,979.91 and 2,191.68

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Solution

The fourth proportional to 3,607.53, 4,979.91 and 2,191.68 is: 3,025.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.53 : 4,979.91 = 2,191.68 : x
  2. Step 2: Convert to fraction form
    3,607.53/4,979.91 = 2,191.68/x
  3. Step 3: Cross multiply
    3,607.53x = 4,979.91 × 2,191.68
  4. Step 4: Simplify right side
    3,607.53x = 10,914,362.17
  5. Step 5: Solve for x
    x = 10,914,362.17/3,607.53
  6. Step 6: Final answer
    x = 3,025.44

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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.