Home / 3,688.68-5,088.04-2,195.56

Finding the Fourth Proportional to 3,688.68, 5,088.04 and 2,195.56

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Solution

The fourth proportional to 3,688.68, 5,088.04 and 2,195.56 is: 3,028.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.68 : 5,088.04 = 2,195.56 : x
  2. Step 2: Convert to fraction form
    3,688.68/5,088.04 = 2,195.56/x
  3. Step 3: Cross multiply
    3,688.68x = 5,088.04 × 2,195.56
  4. Step 4: Simplify right side
    3,688.68x = 11,171,097.10
  5. Step 5: Solve for x
    x = 11,171,097.10/3,688.68
  6. Step 6: Final answer
    x = 3,028.48

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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.