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Finding the Fourth Proportional to 2,249.79, 3,374.89 and 606.30

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Solution

The fourth proportional to 2,249.79, 3,374.89 and 606.30 is: 909.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.79 : 3,374.89 = 606.30 : x
  2. Step 2: Convert to fraction form
    2,249.79/3,374.89 = 606.30/x
  3. Step 3: Cross multiply
    2,249.79x = 3,374.89 × 606.30
  4. Step 4: Simplify right side
    2,249.79x = 2,046,195.81
  5. Step 5: Solve for x
    x = 2,046,195.81/2,249.79
  6. Step 6: Final answer
    x = 909.51

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1.5x scale

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.