Home / 3,943.98-5,911.02-2,090.52

Finding the Fourth Proportional to 3,943.98, 5,911.02 and 2,090.52

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Solution

The fourth proportional to 3,943.98, 5,911.02 and 2,090.52 is: 3,133.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.98 : 5,911.02 = 2,090.52 : x
  2. Step 2: Convert to fraction form
    3,943.98/5,911.02 = 2,090.52/x
  3. Step 3: Cross multiply
    3,943.98x = 5,911.02 × 2,090.52
  4. Step 4: Simplify right side
    3,943.98x = 12,357,105.53
  5. Step 5: Solve for x
    x = 12,357,105.53/3,943.98
  6. Step 6: Final answer
    x = 3,133.16

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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.