Home / 3,111.10-4,656.93-2,375.80

Finding the Fourth Proportional to 3,111.10, 4,656.93 and 2,375.80

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Solution

The fourth proportional to 3,111.10, 4,656.93 and 2,375.80 is: 3,556.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.10 : 4,656.93 = 2,375.80 : x
  2. Step 2: Convert to fraction form
    3,111.10/4,656.93 = 2,375.80/x
  3. Step 3: Cross multiply
    3,111.10x = 4,656.93 × 2,375.80
  4. Step 4: Simplify right side
    3,111.10x = 11,063,934.29
  5. Step 5: Solve for x
    x = 11,063,934.29/3,111.10
  6. Step 6: Final answer
    x = 3,556.28

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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.