Home / 2,177.33-3,003.08-1,539.01

Finding the Fourth Proportional to 2,177.33, 3,003.08 and 1,539.01

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Solution

The fourth proportional to 2,177.33, 3,003.08 and 1,539.01 is: 2,122.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.33 : 3,003.08 = 1,539.01 : x
  2. Step 2: Convert to fraction form
    2,177.33/3,003.08 = 1,539.01/x
  3. Step 3: Cross multiply
    2,177.33x = 3,003.08 × 1,539.01
  4. Step 4: Simplify right side
    2,177.33x = 4,621,766.21
  5. Step 5: Solve for x
    x = 4,621,766.21/2,177.33
  6. Step 6: Final answer
    x = 2,122.68

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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.