Home / 2,092.40-2,887.14-1,207.88

Finding the Fourth Proportional to 2,092.40, 2,887.14 and 1,207.88

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Solution

The fourth proportional to 2,092.40, 2,887.14 and 1,207.88 is: 1,666.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.40 : 2,887.14 = 1,207.88 : x
  2. Step 2: Convert to fraction form
    2,092.40/2,887.14 = 1,207.88/x
  3. Step 3: Cross multiply
    2,092.40x = 2,887.14 × 1,207.88
  4. Step 4: Simplify right side
    2,092.40x = 3,487,318.66
  5. Step 5: Solve for x
    x = 3,487,318.66/2,092.40
  6. Step 6: Final answer
    x = 1,666.66

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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.