Home / 2,659.07-3,669.10-1,539.79

Finding the Fourth Proportional to 2,659.07, 3,669.10 and 1,539.79

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Solution

The fourth proportional to 2,659.07, 3,669.10 and 1,539.79 is: 2,124.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659.07 : 3,669.10 = 1,539.79 : x
  2. Step 2: Convert to fraction form
    2,659.07/3,669.10 = 1,539.79/x
  3. Step 3: Cross multiply
    2,659.07x = 3,669.10 × 1,539.79
  4. Step 4: Simplify right side
    2,659.07x = 5,649,630.47
  5. Step 5: Solve for x
    x = 5,649,630.47/2,659.07
  6. Step 6: Final answer
    x = 2,124.66

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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.