Home / 2,762.20-3,811.62-1,714.06

Finding the Fourth Proportional to 2,762.20, 3,811.62 and 1,714.06

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Solution

The fourth proportional to 2,762.20, 3,811.62 and 1,714.06 is: 2,365.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762.20 : 3,811.62 = 1,714.06 : x
  2. Step 2: Convert to fraction form
    2,762.20/3,811.62 = 1,714.06/x
  3. Step 3: Cross multiply
    2,762.20x = 3,811.62 × 1,714.06
  4. Step 4: Simplify right side
    2,762.20x = 6,533,345.38
  5. Step 5: Solve for x
    x = 6,533,345.38/2,762.20
  6. Step 6: Final answer
    x = 2,365.27

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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.