Home / 1,747.12-2,620.70-448.60

Finding the Fourth Proportional to 1,747.12, 2,620.70 and 448.60

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Solution

The fourth proportional to 1,747.12, 2,620.70 and 448.60 is: 672.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.12 : 2,620.70 = 448.60 : x
  2. Step 2: Convert to fraction form
    1,747.12/2,620.70 = 448.60/x
  3. Step 3: Cross multiply
    1,747.12x = 2,620.70 × 448.60
  4. Step 4: Simplify right side
    1,747.12x = 1,175,646.02
  5. Step 5: Solve for x
    x = 1,175,646.02/1,747.12
  6. Step 6: Final answer
    x = 672.91

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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.