Home / 2,986.55-4,479.86-1,037.39

Finding the Fourth Proportional to 2,986.55, 4,479.86 and 1,037.39

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Solution

The fourth proportional to 2,986.55, 4,479.86 and 1,037.39 is: 1,556.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986.55 : 4,479.86 = 1,037.39 : x
  2. Step 2: Convert to fraction form
    2,986.55/4,479.86 = 1,037.39/x
  3. Step 3: Cross multiply
    2,986.55x = 4,479.86 × 1,037.39
  4. Step 4: Simplify right side
    2,986.55x = 4,647,361.52
  5. Step 5: Solve for x
    x = 4,647,361.52/2,986.55
  6. Step 6: Final answer
    x = 1,556.09

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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.