Home / 2,910.13-4,364.15-1,266.28

Finding the Fourth Proportional to 2,910.13, 4,364.15 and 1,266.28

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Solution

The fourth proportional to 2,910.13, 4,364.15 and 1,266.28 is: 1,898.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.13 : 4,364.15 = 1,266.28 : x
  2. Step 2: Convert to fraction form
    2,910.13/4,364.15 = 1,266.28/x
  3. Step 3: Cross multiply
    2,910.13x = 4,364.15 × 1,266.28
  4. Step 4: Simplify right side
    2,910.13x = 5,526,218.62
  5. Step 5: Solve for x
    x = 5,526,218.62/2,910.13
  6. Step 6: Final answer
    x = 1,898.96

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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.