Home / 2,954.02-4,431.80-1,105.28

Finding the Fourth Proportional to 2,954.02, 4,431.80 and 1,105.28

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Solution

The fourth proportional to 2,954.02, 4,431.80 and 1,105.28 is: 1,658.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.02 : 4,431.80 = 1,105.28 : x
  2. Step 2: Convert to fraction form
    2,954.02/4,431.80 = 1,105.28/x
  3. Step 3: Cross multiply
    2,954.02x = 4,431.80 × 1,105.28
  4. Step 4: Simplify right side
    2,954.02x = 4,898,379.90
  5. Step 5: Solve for x
    x = 4,898,379.90/2,954.02
  6. Step 6: Final answer
    x = 1,658.21

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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.