Home / 3,261.86-4,892.73-1,314.02

Finding the Fourth Proportional to 3,261.86, 4,892.73 and 1,314.02

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Solution

The fourth proportional to 3,261.86, 4,892.73 and 1,314.02 is: 1,971.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.86 : 4,892.73 = 1,314.02 : x
  2. Step 2: Convert to fraction form
    3,261.86/4,892.73 = 1,314.02/x
  3. Step 3: Cross multiply
    3,261.86x = 4,892.73 × 1,314.02
  4. Step 4: Simplify right side
    3,261.86x = 6,429,145.07
  5. Step 5: Solve for x
    x = 6,429,145.07/3,261.86
  6. Step 6: Final answer
    x = 1,971.01

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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.