Home / 1,224.15-1,832.59-1,207.95

Finding the Fourth Proportional to 1,224.15, 1,832.59 and 1,207.95

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Solution

The fourth proportional to 1,224.15, 1,832.59 and 1,207.95 is: 1,808.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224.15 : 1,832.59 = 1,207.95 : x
  2. Step 2: Convert to fraction form
    1,224.15/1,832.59 = 1,207.95/x
  3. Step 3: Cross multiply
    1,224.15x = 1,832.59 × 1,207.95
  4. Step 4: Simplify right side
    1,224.15x = 2,213,677.09
  5. Step 5: Solve for x
    x = 2,213,677.09/1,224.15
  6. Step 6: Final answer
    x = 1,808.34

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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.