Home / 2,511.48-3,762.34-1,213.86

Finding the Fourth Proportional to 2,511.48, 3,762.34 and 1,213.86

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Solution

The fourth proportional to 2,511.48, 3,762.34 and 1,213.86 is: 1,818.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.48 : 3,762.34 = 1,213.86 : x
  2. Step 2: Convert to fraction form
    2,511.48/3,762.34 = 1,213.86/x
  3. Step 3: Cross multiply
    2,511.48x = 3,762.34 × 1,213.86
  4. Step 4: Simplify right side
    2,511.48x = 4,566,954.03
  5. Step 5: Solve for x
    x = 4,566,954.03/2,511.48
  6. Step 6: Final answer
    x = 1,818.43

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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.