Home / 3,395.78-5,093.40-1,055.69

Finding the Fourth Proportional to 3,395.78, 5,093.40 and 1,055.69

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Solution

The fourth proportional to 3,395.78, 5,093.40 and 1,055.69 is: 1,583.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.78 : 5,093.40 = 1,055.69 : x
  2. Step 2: Convert to fraction form
    3,395.78/5,093.40 = 1,055.69/x
  3. Step 3: Cross multiply
    3,395.78x = 5,093.40 × 1,055.69
  4. Step 4: Simplify right side
    3,395.78x = 5,377,051.45
  5. Step 5: Solve for x
    x = 5,377,051.45/3,395.78
  6. Step 6: Final answer
    x = 1,583.45

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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.