Home / 1,659.18-2,289.35-995.79

Finding the Fourth Proportional to 1,659.18, 2,289.35 and 995.79

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Solution

The fourth proportional to 1,659.18, 2,289.35 and 995.79 is: 1,374.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659.18 : 2,289.35 = 995.79 : x
  2. Step 2: Convert to fraction form
    1,659.18/2,289.35 = 995.79/x
  3. Step 3: Cross multiply
    1,659.18x = 2,289.35 × 995.79
  4. Step 4: Simplify right side
    1,659.18x = 2,279,714.33
  5. Step 5: Solve for x
    x = 2,279,714.33/1,659.18
  6. Step 6: Final answer
    x = 1,374.00

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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.