Home / 2,829.10-4,232.85-1,857.10

Finding the Fourth Proportional to 2,829.10, 4,232.85 and 1,857.10

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Solution

The fourth proportional to 2,829.10, 4,232.85 and 1,857.10 is: 2,778.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.10 : 4,232.85 = 1,857.10 : x
  2. Step 2: Convert to fraction form
    2,829.10/4,232.85 = 1,857.10/x
  3. Step 3: Cross multiply
    2,829.10x = 4,232.85 × 1,857.10
  4. Step 4: Simplify right side
    2,829.10x = 7,860,825.74
  5. Step 5: Solve for x
    x = 7,860,825.74/2,829.10
  6. Step 6: Final answer
    x = 2,778.56

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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.