Home / 3,655.07-5,043.99-1,976.47

Finding the Fourth Proportional to 3,655.07, 5,043.99 and 1,976.47

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Solution

The fourth proportional to 3,655.07, 5,043.99 and 1,976.47 is: 2,727.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.07 : 5,043.99 = 1,976.47 : x
  2. Step 2: Convert to fraction form
    3,655.07/5,043.99 = 1,976.47/x
  3. Step 3: Cross multiply
    3,655.07x = 5,043.99 × 1,976.47
  4. Step 4: Simplify right side
    3,655.07x = 9,969,278.60
  5. Step 5: Solve for x
    x = 9,969,278.60/3,655.07
  6. Step 6: Final answer
    x = 2,727.52

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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.