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Finding the Fourth Proportional to 2,064.53, 2,850.03 and 1,308.68

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Solution

The fourth proportional to 2,064.53, 2,850.03 and 1,308.68 is: 1,806.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,064.53 : 2,850.03 = 1,308.68 : x
  2. Step 2: Convert to fraction form
    2,064.53/2,850.03 = 1,308.68/x
  3. Step 3: Cross multiply
    2,064.53x = 2,850.03 × 1,308.68
  4. Step 4: Simplify right side
    2,064.53x = 3,729,784.39
  5. Step 5: Solve for x
    x = 3,729,784.39/2,064.53
  6. Step 6: Final answer
    x = 1,806.61

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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.