Home / 1,517.34-2,273.88-1,207.82

Finding the Fourth Proportional to 1,517.34, 2,273.88 and 1,207.82

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Solution

The fourth proportional to 1,517.34, 2,273.88 and 1,207.82 is: 1,810.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.34 : 2,273.88 = 1,207.82 : x
  2. Step 2: Convert to fraction form
    1,517.34/2,273.88 = 1,207.82/x
  3. Step 3: Cross multiply
    1,517.34x = 2,273.88 × 1,207.82
  4. Step 4: Simplify right side
    1,517.34x = 2,746,437.74
  5. Step 5: Solve for x
    x = 2,746,437.74/1,517.34
  6. Step 6: Final answer
    x = 1,810.03

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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.