Home / 2,999.36-4,491.76-2,591.12

Finding the Fourth Proportional to 2,999.36, 4,491.76 and 2,591.12

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Solution

The fourth proportional to 2,999.36, 4,491.76 and 2,591.12 is: 3,880.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.36 : 4,491.76 = 2,591.12 : x
  2. Step 2: Convert to fraction form
    2,999.36/4,491.76 = 2,591.12/x
  3. Step 3: Cross multiply
    2,999.36x = 4,491.76 × 2,591.12
  4. Step 4: Simplify right side
    2,999.36x = 11,638,689.17
  5. Step 5: Solve for x
    x = 11,638,689.17/2,999.36
  6. Step 6: Final answer
    x = 3,880.39

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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.