Home / 3,102.23-4,280.03-1,775.00

Finding the Fourth Proportional to 3,102.23, 4,280.03 and 1,775.00

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Solution

The fourth proportional to 3,102.23, 4,280.03 and 1,775.00 is: 2,448.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.23 : 4,280.03 = 1,775.00 : x
  2. Step 2: Convert to fraction form
    3,102.23/4,280.03 = 1,775.00/x
  3. Step 3: Cross multiply
    3,102.23x = 4,280.03 × 1,775.00
  4. Step 4: Simplify right side
    3,102.23x = 7,597,022.97
  5. Step 5: Solve for x
    x = 7,597,022.97/3,102.23
  6. Step 6: Final answer
    x = 2,448.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.