Home / 3,556.79-5,335.73-1,247.75

Finding the Fourth Proportional to 3,556.79, 5,335.73 and 1,247.75

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Solution

The fourth proportional to 3,556.79, 5,335.73 and 1,247.75 is: 1,871.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.79 : 5,335.73 = 1,247.75 : x
  2. Step 2: Convert to fraction form
    3,556.79/5,335.73 = 1,247.75/x
  3. Step 3: Cross multiply
    3,556.79x = 5,335.73 × 1,247.75
  4. Step 4: Simplify right side
    3,556.79x = 6,657,650.87
  5. Step 5: Solve for x
    x = 6,657,650.87/3,556.79
  6. Step 6: Final answer
    x = 1,871.81

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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.