Home / 1,364.15-2,044.61-808.09

Finding the Fourth Proportional to 1,364.15, 2,044.61 and 808.09

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Solution

The fourth proportional to 1,364.15, 2,044.61 and 808.09 is: 1,211.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364.15 : 2,044.61 = 808.09 : x
  2. Step 2: Convert to fraction form
    1,364.15/2,044.61 = 808.09/x
  3. Step 3: Cross multiply
    1,364.15x = 2,044.61 × 808.09
  4. Step 4: Simplify right side
    1,364.15x = 1,652,222.77
  5. Step 5: Solve for x
    x = 1,652,222.77/1,364.15
  6. Step 6: Final answer
    x = 1,211.17

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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.