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Finding the Fourth Proportional to 2,035, 3,053.52 and 803.28

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Solution

The fourth proportional to 2,035, 3,053.52 and 803.28 is: 1,205.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,035 : 3,053.52 = 803.28 : x
  2. Step 2: Convert to fraction form
    2,035/3,053.52 = 803.28/x
  3. Step 3: Cross multiply
    2,035x = 3,053.52 × 803.28
  4. Step 4: Simplify right side
    2,035x = 2,452,831.55
  5. Step 5: Solve for x
    x = 2,452,831.55/2,035
  6. Step 6: Final answer
    x = 1,205.32

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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.