Home / 3,448.41-5,173.42-1,139.91

Finding the Fourth Proportional to 3,448.41, 5,173.42 and 1,139.91

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Solution

The fourth proportional to 3,448.41, 5,173.42 and 1,139.91 is: 1,710.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.41 : 5,173.42 = 1,139.91 : x
  2. Step 2: Convert to fraction form
    3,448.41/5,173.42 = 1,139.91/x
  3. Step 3: Cross multiply
    3,448.41x = 5,173.42 × 1,139.91
  4. Step 4: Simplify right side
    3,448.41x = 5,897,213.08
  5. Step 5: Solve for x
    x = 5,897,213.08/3,448.41
  6. Step 6: Final answer
    x = 1,710.13

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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.