Home / 2,659.23-3,989.66-1,197.99

Finding the Fourth Proportional to 2,659.23, 3,989.66 and 1,197.99

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Solution

The fourth proportional to 2,659.23, 3,989.66 and 1,197.99 is: 1,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659.23 : 3,989.66 = 1,197.99 : x
  2. Step 2: Convert to fraction form
    2,659.23/3,989.66 = 1,197.99/x
  3. Step 3: Cross multiply
    2,659.23x = 3,989.66 × 1,197.99
  4. Step 4: Simplify right side
    2,659.23x = 4,779,566.79
  5. Step 5: Solve for x
    x = 4,779,566.79/2,659.23
  6. Step 6: Final answer
    x = 1,797.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.