Home / 2,092.23-2,886.37-1,207.85

Finding the Fourth Proportional to 2,092.23, 2,886.37 and 1,207.85

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Solution

The fourth proportional to 2,092.23, 2,886.37 and 1,207.85 is: 1,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.23 : 2,886.37 = 1,207.85 : x
  2. Step 2: Convert to fraction form
    2,092.23/2,886.37 = 1,207.85/x
  3. Step 3: Cross multiply
    2,092.23x = 2,886.37 × 1,207.85
  4. Step 4: Simplify right side
    2,092.23x = 3,486,284.55
  5. Step 5: Solve for x
    x = 3,486,284.55/2,092.23
  6. Step 6: Final answer
    x = 1,666.30

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1.5x scale

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.