Home / 2,910.26-4,365.28-1,266.80

Finding the Fourth Proportional to 2,910.26, 4,365.28 and 1,266.80

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Solution

The fourth proportional to 2,910.26, 4,365.28 and 1,266.80 is: 1,900.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.26 : 4,365.28 = 1,266.80 : x
  2. Step 2: Convert to fraction form
    2,910.26/4,365.28 = 1,266.80/x
  3. Step 3: Cross multiply
    2,910.26x = 4,365.28 × 1,266.80
  4. Step 4: Simplify right side
    2,910.26x = 5,529,944.45
  5. Step 5: Solve for x
    x = 5,529,944.45/2,910.26
  6. Step 6: Final answer
    x = 1,900.16

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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.