Home / 3,448.39-5,172.60-1,368.91

Finding the Fourth Proportional to 3,448.39, 5,172.60 and 1,368.91

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Solution

The fourth proportional to 3,448.39, 5,172.60 and 1,368.91 is: 2,053.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.39 : 5,172.60 = 1,368.91 : x
  2. Step 2: Convert to fraction form
    3,448.39/5,172.60 = 1,368.91/x
  3. Step 3: Cross multiply
    3,448.39x = 5,172.60 × 1,368.91
  4. Step 4: Simplify right side
    3,448.39x = 7,080,823.87
  5. Step 5: Solve for x
    x = 7,080,823.87/3,448.39
  6. Step 6: Final answer
    x = 2,053.37

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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.