Home / 2,910.64-4,365.49-1,266.75

Finding the Fourth Proportional to 2,910.64, 4,365.49 and 1,266.75

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Solution

The fourth proportional to 2,910.64, 4,365.49 and 1,266.75 is: 1,899.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.64 : 4,365.49 = 1,266.75 : x
  2. Step 2: Convert to fraction form
    2,910.64/4,365.49 = 1,266.75/x
  3. Step 3: Cross multiply
    2,910.64x = 4,365.49 × 1,266.75
  4. Step 4: Simplify right side
    2,910.64x = 5,529,984.46
  5. Step 5: Solve for x
    x = 5,529,984.46/2,910.64
  6. Step 6: Final answer
    x = 1,899.92

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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.