Home / 2,697.86-3,721.31-1,740.35

Finding the Fourth Proportional to 2,697.86, 3,721.31 and 1,740.35

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Solution

The fourth proportional to 2,697.86, 3,721.31 and 1,740.35 is: 2,400.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.86 : 3,721.31 = 1,740.35 : x
  2. Step 2: Convert to fraction form
    2,697.86/3,721.31 = 1,740.35/x
  3. Step 3: Cross multiply
    2,697.86x = 3,721.31 × 1,740.35
  4. Step 4: Simplify right side
    2,697.86x = 6,476,354.55
  5. Step 5: Solve for x
    x = 6,476,354.55/2,697.86
  6. Step 6: Final answer
    x = 2,400.56

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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.