Home / 3,688.56-5,089.44-2,196

Finding the Fourth Proportional to 3,688.56, 5,089.44 and 2,196

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Solution

The fourth proportional to 3,688.56, 5,089.44 and 2,196 is: 3,030.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.56 : 5,089.44 = 2,196 : x
  2. Step 2: Convert to fraction form
    3,688.56/5,089.44 = 2,196/x
  3. Step 3: Cross multiply
    3,688.56x = 5,089.44 × 2,196
  4. Step 4: Simplify right side
    3,688.56x = 11,176,410.24
  5. Step 5: Solve for x
    x = 11,176,410.24/3,688.56
  6. Step 6: Final answer
    x = 3,030.02

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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.