Home / 2,688.03-3,709.66-1,493.15

Finding the Fourth Proportional to 2,688.03, 3,709.66 and 1,493.15

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Solution

The fourth proportional to 2,688.03, 3,709.66 and 1,493.15 is: 2,060.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.03 : 3,709.66 = 1,493.15 : x
  2. Step 2: Convert to fraction form
    2,688.03/3,709.66 = 1,493.15/x
  3. Step 3: Cross multiply
    2,688.03x = 3,709.66 × 1,493.15
  4. Step 4: Simplify right side
    2,688.03x = 5,539,078.83
  5. Step 5: Solve for x
    x = 5,539,078.83/2,688.03
  6. Step 6: Final answer
    x = 2,060.65

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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.