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Finding the Fourth Proportional to 1,259.96, 1,879.91 and 1,250.24

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Solution

The fourth proportional to 1,259.96, 1,879.91 and 1,250.24 is: 1,865.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259.96 : 1,879.91 = 1,250.24 : x
  2. Step 2: Convert to fraction form
    1,259.96/1,879.91 = 1,250.24/x
  3. Step 3: Cross multiply
    1,259.96x = 1,879.91 × 1,250.24
  4. Step 4: Simplify right side
    1,259.96x = 2,350,327.72
  5. Step 5: Solve for x
    x = 2,350,327.72/1,259.96
  6. Step 6: Final answer
    x = 1,865.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.