Home / 2,092.66-2,887.81-1,208.74

Finding the Fourth Proportional to 2,092.66, 2,887.81 and 1,208.74

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Solution

The fourth proportional to 2,092.66, 2,887.81 and 1,208.74 is: 1,668.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.66 : 2,887.81 = 1,208.74 : x
  2. Step 2: Convert to fraction form
    2,092.66/2,887.81 = 1,208.74/x
  3. Step 3: Cross multiply
    2,092.66x = 2,887.81 × 1,208.74
  4. Step 4: Simplify right side
    2,092.66x = 3,490,611.46
  5. Step 5: Solve for x
    x = 3,490,611.46/2,092.66
  6. Step 6: Final answer
    x = 1,668.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.