Home / 3,378.02-5,064.57-1,186.16

Finding the Fourth Proportional to 3,378.02, 5,064.57 and 1,186.16

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Solution

The fourth proportional to 3,378.02, 5,064.57 and 1,186.16 is: 1,778.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.02 : 5,064.57 = 1,186.16 : x
  2. Step 2: Convert to fraction form
    3,378.02/5,064.57 = 1,186.16/x
  3. Step 3: Cross multiply
    3,378.02x = 5,064.57 × 1,186.16
  4. Step 4: Simplify right side
    3,378.02x = 6,007,365.03
  5. Step 5: Solve for x
    x = 6,007,365.03/3,378.02
  6. Step 6: Final answer
    x = 1,778.37

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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.