Home / 3,688.36-5,089.06-2,196.83

Finding the Fourth Proportional to 3,688.36, 5,089.06 and 2,196.83

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Solution

The fourth proportional to 3,688.36, 5,089.06 and 2,196.83 is: 3,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.36 : 5,089.06 = 2,196.83 : x
  2. Step 2: Convert to fraction form
    3,688.36/5,089.06 = 2,196.83/x
  3. Step 3: Cross multiply
    3,688.36x = 5,089.06 × 2,196.83
  4. Step 4: Simplify right side
    3,688.36x = 11,179,799.68
  5. Step 5: Solve for x
    x = 11,179,799.68/3,688.36
  6. Step 6: Final answer
    x = 3,031.10

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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.