Home / 2,154.12-3,233.64-1,669.74

Finding the Fourth Proportional to 2,154.12, 3,233.64 and 1,669.74

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Solution

The fourth proportional to 2,154.12, 3,233.64 and 1,669.74 is: 2,506.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154.12 : 3,233.64 = 1,669.74 : x
  2. Step 2: Convert to fraction form
    2,154.12/3,233.64 = 1,669.74/x
  3. Step 3: Cross multiply
    2,154.12x = 3,233.64 × 1,669.74
  4. Step 4: Simplify right side
    2,154.12x = 5,399,338.05
  5. Step 5: Solve for x
    x = 5,399,338.05/2,154.12
  6. Step 6: Final answer
    x = 2,506.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.