Home / 2,511.95-3,764.84-1,893.69

Finding the Fourth Proportional to 2,511.95, 3,764.84 and 1,893.69

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Solution

The fourth proportional to 2,511.95, 3,764.84 and 1,893.69 is: 2,838.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.95 : 3,764.84 = 1,893.69 : x
  2. Step 2: Convert to fraction form
    2,511.95/3,764.84 = 1,893.69/x
  3. Step 3: Cross multiply
    2,511.95x = 3,764.84 × 1,893.69
  4. Step 4: Simplify right side
    2,511.95x = 7,129,430.39
  5. Step 5: Solve for x
    x = 7,129,430.39/2,511.95
  6. Step 6: Final answer
    x = 2,838.21

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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.