Home / 2,685.37-4,027.58-1,708.57

Finding the Fourth Proportional to 2,685.37, 4,027.58 and 1,708.57

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Solution

The fourth proportional to 2,685.37, 4,027.58 and 1,708.57 is: 2,562.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.37 : 4,027.58 = 1,708.57 : x
  2. Step 2: Convert to fraction form
    2,685.37/4,027.58 = 1,708.57/x
  3. Step 3: Cross multiply
    2,685.37x = 4,027.58 × 1,708.57
  4. Step 4: Simplify right side
    2,685.37x = 6,881,393.82
  5. Step 5: Solve for x
    x = 6,881,393.82/2,685.37
  6. Step 6: Final answer
    x = 2,562.55

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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.