Home / 3,655.09-5,044.02-1,976.50

Finding the Fourth Proportional to 3,655.09, 5,044.02 and 1,976.50

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Solution

The fourth proportional to 3,655.09, 5,044.02 and 1,976.50 is: 2,727.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.09 : 5,044.02 = 1,976.50 : x
  2. Step 2: Convert to fraction form
    3,655.09/5,044.02 = 1,976.50/x
  3. Step 3: Cross multiply
    3,655.09x = 5,044.02 × 1,976.50
  4. Step 4: Simplify right side
    3,655.09x = 9,969,505.53
  5. Step 5: Solve for x
    x = 9,969,505.53/3,655.09
  6. Step 6: Final answer
    x = 2,727.57

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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.