Home / 2,688.88-3,708.80-2,468.56

Finding the Fourth Proportional to 2,688.88, 3,708.80 and 2,468.56

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Solution

The fourth proportional to 2,688.88, 3,708.80 and 2,468.56 is: 3,404.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.88 : 3,708.80 = 2,468.56 : x
  2. Step 2: Convert to fraction form
    2,688.88/3,708.80 = 2,468.56/x
  3. Step 3: Cross multiply
    2,688.88x = 3,708.80 × 2,468.56
  4. Step 4: Simplify right side
    2,688.88x = 9,155,395.33
  5. Step 5: Solve for x
    x = 9,155,395.33/2,688.88
  6. Step 6: Final answer
    x = 3,404.91

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1.5x scale

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.