Home / 3,688.44-5,089.89-2,116.44

Finding the Fourth Proportional to 3,688.44, 5,089.89 and 2,116.44

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Solution

The fourth proportional to 3,688.44, 5,089.89 and 2,116.44 is: 2,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.44 : 5,089.89 = 2,116.44 : x
  2. Step 2: Convert to fraction form
    3,688.44/5,089.89 = 2,116.44/x
  3. Step 3: Cross multiply
    3,688.44x = 5,089.89 × 2,116.44
  4. Step 4: Simplify right side
    3,688.44x = 10,772,446.79
  5. Step 5: Solve for x
    x = 10,772,446.79/3,688.44
  6. Step 6: Final answer
    x = 2,920.60

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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.