Home / 2,657.15-3,987.09-1,196.00

Finding the Fourth Proportional to 2,657.15, 3,987.09 and 1,196.00

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Solution

The fourth proportional to 2,657.15, 3,987.09 and 1,196.00 is: 1,794.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657.15 : 3,987.09 = 1,196.00 : x
  2. Step 2: Convert to fraction form
    2,657.15/3,987.09 = 1,196.00/x
  3. Step 3: Cross multiply
    2,657.15x = 3,987.09 × 1,196.00
  4. Step 4: Simplify right side
    2,657.15x = 4,768,539.70
  5. Step 5: Solve for x
    x = 4,768,539.70/2,657.15
  6. Step 6: Final answer
    x = 1,794.61

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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.