Home / 2,910.67-4,366.79-1,267.57

Finding the Fourth Proportional to 2,910.67, 4,366.79 and 1,267.57

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Solution

The fourth proportional to 2,910.67, 4,366.79 and 1,267.57 is: 1,901.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.67 : 4,366.79 = 1,267.57 : x
  2. Step 2: Convert to fraction form
    2,910.67/4,366.79 = 1,267.57/x
  3. Step 3: Cross multiply
    2,910.67x = 4,366.79 × 1,267.57
  4. Step 4: Simplify right side
    2,910.67x = 5,535,205.66
  5. Step 5: Solve for x
    x = 5,535,205.66/2,910.67
  6. Step 6: Final answer
    x = 1,901.69

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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.