Home / 2,688.01-3,708.57-1,508.86

Finding the Fourth Proportional to 2,688.01, 3,708.57 and 1,508.86

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Solution

The fourth proportional to 2,688.01, 3,708.57 and 1,508.86 is: 2,081.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.01 : 3,708.57 = 1,508.86 : x
  2. Step 2: Convert to fraction form
    2,688.01/3,708.57 = 1,508.86/x
  3. Step 3: Cross multiply
    2,688.01x = 3,708.57 × 1,508.86
  4. Step 4: Simplify right side
    2,688.01x = 5,595,712.93
  5. Step 5: Solve for x
    x = 5,595,712.93/2,688.01
  6. Step 6: Final answer
    x = 2,081.73

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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.