Home / 1,301.75-1,947.96-1,214.85

Finding the Fourth Proportional to 1,301.75, 1,947.96 and 1,214.85

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Solution

The fourth proportional to 1,301.75, 1,947.96 and 1,214.85 is: 1,817.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.75 : 1,947.96 = 1,214.85 : x
  2. Step 2: Convert to fraction form
    1,301.75/1,947.96 = 1,214.85/x
  3. Step 3: Cross multiply
    1,301.75x = 1,947.96 × 1,214.85
  4. Step 4: Simplify right side
    1,301.75x = 2,366,479.21
  5. Step 5: Solve for x
    x = 2,366,479.21/1,301.75
  6. Step 6: Final answer
    x = 1,817.93

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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.