Home / 2,630.22-3,629.80-1,511.39

Finding the Fourth Proportional to 2,630.22, 3,629.80 and 1,511.39

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Solution

The fourth proportional to 2,630.22, 3,629.80 and 1,511.39 is: 2,085.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.22 : 3,629.80 = 1,511.39 : x
  2. Step 2: Convert to fraction form
    2,630.22/3,629.80 = 1,511.39/x
  3. Step 3: Cross multiply
    2,630.22x = 3,629.80 × 1,511.39
  4. Step 4: Simplify right side
    2,630.22x = 5,486,045.88
  5. Step 5: Solve for x
    x = 5,486,045.88/2,630.22
  6. Step 6: Final answer
    x = 2,085.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.