Home / 3,037.70-4,558.60-1,089.90

Finding the Fourth Proportional to 3,037.70, 4,558.60 and 1,089.90

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Solution

The fourth proportional to 3,037.70, 4,558.60 and 1,089.90 is: 1,635.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037.70 : 4,558.60 = 1,089.90 : x
  2. Step 2: Convert to fraction form
    3,037.70/4,558.60 = 1,089.90/x
  3. Step 3: Cross multiply
    3,037.70x = 4,558.60 × 1,089.90
  4. Step 4: Simplify right side
    3,037.70x = 4,968,418.14
  5. Step 5: Solve for x
    x = 4,968,418.14/3,037.70
  6. Step 6: Final answer
    x = 1,635.59

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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.