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Finding the Fourth Proportional to 2,896.66, 4,345.65 and 1,255.03

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Solution

The fourth proportional to 2,896.66, 4,345.65 and 1,255.03 is: 1,882.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.66 : 4,345.65 = 1,255.03 : x
  2. Step 2: Convert to fraction form
    2,896.66/4,345.65 = 1,255.03/x
  3. Step 3: Cross multiply
    2,896.66x = 4,345.65 × 1,255.03
  4. Step 4: Simplify right side
    2,896.66x = 5,453,910.26
  5. Step 5: Solve for x
    x = 5,453,910.26/2,896.66
  6. Step 6: Final answer
    x = 1,882.83

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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.