Home / 2,991.02-4,480.77-1,453.10

Finding the Fourth Proportional to 2,991.02, 4,480.77 and 1,453.10

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Solution

The fourth proportional to 2,991.02, 4,480.77 and 1,453.10 is: 2,176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991.02 : 4,480.77 = 1,453.10 : x
  2. Step 2: Convert to fraction form
    2,991.02/4,480.77 = 1,453.10/x
  3. Step 3: Cross multiply
    2,991.02x = 4,480.77 × 1,453.10
  4. Step 4: Simplify right side
    2,991.02x = 6,511,006.89
  5. Step 5: Solve for x
    x = 6,511,006.89/2,991.02
  6. Step 6: Final answer
    x = 2,176.85

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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.