Home / 3,511.63-4,840.45-2,764.40

Finding the Fourth Proportional to 3,511.63, 4,840.45 and 2,764.40

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Solution

The fourth proportional to 3,511.63, 4,840.45 and 2,764.40 is: 3,810.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.63 : 4,840.45 = 2,764.40 : x
  2. Step 2: Convert to fraction form
    3,511.63/4,840.45 = 2,764.40/x
  3. Step 3: Cross multiply
    3,511.63x = 4,840.45 × 2,764.40
  4. Step 4: Simplify right side
    3,511.63x = 13,380,945.17
  5. Step 5: Solve for x
    x = 13,380,945.17/3,511.63
  6. Step 6: Final answer
    x = 3,810.47

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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.