Home / 2,117.06-3,176.77-801.69

Finding the Fourth Proportional to 2,117.06, 3,176.77 and 801.69

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Solution

The fourth proportional to 2,117.06, 3,176.77 and 801.69 is: 1,202.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117.06 : 3,176.77 = 801.69 : x
  2. Step 2: Convert to fraction form
    2,117.06/3,176.77 = 801.69/x
  3. Step 3: Cross multiply
    2,117.06x = 3,176.77 × 801.69
  4. Step 4: Simplify right side
    2,117.06x = 2,546,784.74
  5. Step 5: Solve for x
    x = 2,546,784.74/2,117.06
  6. Step 6: Final answer
    x = 1,202.98

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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.