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Finding the Fourth Proportional to 2,166.68, 3,250.04 and 606.72

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Solution

The fourth proportional to 2,166.68, 3,250.04 and 606.72 is: 910.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166.68 : 3,250.04 = 606.72 : x
  2. Step 2: Convert to fraction form
    2,166.68/3,250.04 = 606.72/x
  3. Step 3: Cross multiply
    2,166.68x = 3,250.04 × 606.72
  4. Step 4: Simplify right side
    2,166.68x = 1,971,864.27
  5. Step 5: Solve for x
    x = 1,971,864.27/2,166.68
  6. Step 6: Final answer
    x = 910.09

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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.