Home / 2,835.57-3,912.37-1,771.68

Finding the Fourth Proportional to 2,835.57, 3,912.37 and 1,771.68

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Solution

The fourth proportional to 2,835.57, 3,912.37 and 1,771.68 is: 2,444.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.57 : 3,912.37 = 1,771.68 : x
  2. Step 2: Convert to fraction form
    2,835.57/3,912.37 = 1,771.68/x
  3. Step 3: Cross multiply
    2,835.57x = 3,912.37 × 1,771.68
  4. Step 4: Simplify right side
    2,835.57x = 6,931,467.68
  5. Step 5: Solve for x
    x = 6,931,467.68/2,835.57
  6. Step 6: Final answer
    x = 2,444.47

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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.