Home / 2,945.88-4,419.36-1,645.56

Finding the Fourth Proportional to 2,945.88, 4,419.36 and 1,645.56

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Solution

The fourth proportional to 2,945.88, 4,419.36 and 1,645.56 is: 2,468.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.88 : 4,419.36 = 1,645.56 : x
  2. Step 2: Convert to fraction form
    2,945.88/4,419.36 = 1,645.56/x
  3. Step 3: Cross multiply
    2,945.88x = 4,419.36 × 1,645.56
  4. Step 4: Simplify right side
    2,945.88x = 7,272,322.04
  5. Step 5: Solve for x
    x = 7,272,322.04/2,945.88
  6. Step 6: Final answer
    x = 2,468.64

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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.