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Finding the Fourth Proportional to 2,999.66, 4,501.31 and 2,751.80

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Solution

The fourth proportional to 2,999.66, 4,501.31 and 2,751.80 is: 4,129.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.66 : 4,501.31 = 2,751.80 : x
  2. Step 2: Convert to fraction form
    2,999.66/4,501.31 = 2,751.80/x
  3. Step 3: Cross multiply
    2,999.66x = 4,501.31 × 2,751.80
  4. Step 4: Simplify right side
    2,999.66x = 12,386,668.59
  5. Step 5: Solve for x
    x = 12,386,668.59/2,999.66
  6. Step 6: Final answer
    x = 4,129.36

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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.