Home / 2,092.18-2,886.38-1,207.81

Finding the Fourth Proportional to 2,092.18, 2,886.38 and 1,207.81

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Solution

The fourth proportional to 2,092.18, 2,886.38 and 1,207.81 is: 1,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.18 : 2,886.38 = 1,207.81 : x
  2. Step 2: Convert to fraction form
    2,092.18/2,886.38 = 1,207.81/x
  3. Step 3: Cross multiply
    2,092.18x = 2,886.38 × 1,207.81
  4. Step 4: Simplify right side
    2,092.18x = 3,486,207.52
  5. Step 5: Solve for x
    x = 3,486,207.52/2,092.18
  6. Step 6: Final answer
    x = 1,666.30

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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.