Home / 3,805.08-5,708.53-1,208.02

Finding the Fourth Proportional to 3,805.08, 5,708.53 and 1,208.02

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Solution

The fourth proportional to 3,805.08, 5,708.53 and 1,208.02 is: 1,812.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.08 : 5,708.53 = 1,208.02 : x
  2. Step 2: Convert to fraction form
    3,805.08/5,708.53 = 1,208.02/x
  3. Step 3: Cross multiply
    3,805.08x = 5,708.53 × 1,208.02
  4. Step 4: Simplify right side
    3,805.08x = 6,896,018.41
  5. Step 5: Solve for x
    x = 6,896,018.41/3,805.08
  6. Step 6: Final answer
    x = 1,812.32

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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.