Home / 3,037.78-4,556.53-1,393.21

Finding the Fourth Proportional to 3,037.78, 4,556.53 and 1,393.21

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Solution

The fourth proportional to 3,037.78, 4,556.53 and 1,393.21 is: 2,089.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037.78 : 4,556.53 = 1,393.21 : x
  2. Step 2: Convert to fraction form
    3,037.78/4,556.53 = 1,393.21/x
  3. Step 3: Cross multiply
    3,037.78x = 4,556.53 × 1,393.21
  4. Step 4: Simplify right side
    3,037.78x = 6,348,203.16
  5. Step 5: Solve for x
    x = 6,348,203.16/3,037.78
  6. Step 6: Final answer
    x = 2,089.75

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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.