Home / 3,137.63-4,706.69-1,057.61

Finding the Fourth Proportional to 3,137.63, 4,706.69 and 1,057.61

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Solution

The fourth proportional to 3,137.63, 4,706.69 and 1,057.61 is: 1,586.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.63 : 4,706.69 = 1,057.61 : x
  2. Step 2: Convert to fraction form
    3,137.63/4,706.69 = 1,057.61/x
  3. Step 3: Cross multiply
    3,137.63x = 4,706.69 × 1,057.61
  4. Step 4: Simplify right side
    3,137.63x = 4,977,813.59
  5. Step 5: Solve for x
    x = 4,977,813.59/3,137.63
  6. Step 6: Final answer
    x = 1,586.49

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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.