Home / 2,991.06-4,491.45-2,968.38

Finding the Fourth Proportional to 2,991.06, 4,491.45 and 2,968.38

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Solution

The fourth proportional to 2,991.06, 4,491.45 and 2,968.38 is: 4,457.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991.06 : 4,491.45 = 2,968.38 : x
  2. Step 2: Convert to fraction form
    2,991.06/4,491.45 = 2,968.38/x
  3. Step 3: Cross multiply
    2,991.06x = 4,491.45 × 2,968.38
  4. Step 4: Simplify right side
    2,991.06x = 13,332,330.35
  5. Step 5: Solve for x
    x = 13,332,330.35/2,991.06
  6. Step 6: Final answer
    x = 4,457.39

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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.