Home / 2,756.09-4,134.15-808.35

Finding the Fourth Proportional to 2,756.09, 4,134.15 and 808.35

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Solution

The fourth proportional to 2,756.09, 4,134.15 and 808.35 is: 1,212.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.09 : 4,134.15 = 808.35 : x
  2. Step 2: Convert to fraction form
    2,756.09/4,134.15 = 808.35/x
  3. Step 3: Cross multiply
    2,756.09x = 4,134.15 × 808.35
  4. Step 4: Simplify right side
    2,756.09x = 3,341,840.15
  5. Step 5: Solve for x
    x = 3,341,840.15/2,756.09
  6. Step 6: Final answer
    x = 1,212.53

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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.