Home / 2,820.58-4,227.60-1,175.08

Finding the Fourth Proportional to 2,820.58, 4,227.60 and 1,175.08

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Solution

The fourth proportional to 2,820.58, 4,227.60 and 1,175.08 is: 1,761.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820.58 : 4,227.60 = 1,175.08 : x
  2. Step 2: Convert to fraction form
    2,820.58/4,227.60 = 1,175.08/x
  3. Step 3: Cross multiply
    2,820.58x = 4,227.60 × 1,175.08
  4. Step 4: Simplify right side
    2,820.58x = 4,967,768.21
  5. Step 5: Solve for x
    x = 4,967,768.21/2,820.58
  6. Step 6: Final answer
    x = 1,761.26

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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.