Home / 1,747.24-2,620.86-448.71

Finding the Fourth Proportional to 1,747.24, 2,620.86 and 448.71

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Solution

The fourth proportional to 1,747.24, 2,620.86 and 448.71 is: 673.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.24 : 2,620.86 = 448.71 : x
  2. Step 2: Convert to fraction form
    1,747.24/2,620.86 = 448.71/x
  3. Step 3: Cross multiply
    1,747.24x = 2,620.86 × 448.71
  4. Step 4: Simplify right side
    1,747.24x = 1,175,994.58
  5. Step 5: Solve for x
    x = 1,175,994.58/1,747.24
  6. Step 6: Final answer
    x = 673.06

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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.