Home / 4,231.12-6,345.34-1,765.30

Finding the Fourth Proportional to 4,231.12, 6,345.34 and 1,765.30

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Solution

The fourth proportional to 4,231.12, 6,345.34 and 1,765.30 is: 2,647.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231.12 : 6,345.34 = 1,765.30 : x
  2. Step 2: Convert to fraction form
    4,231.12/6,345.34 = 1,765.30/x
  3. Step 3: Cross multiply
    4,231.12x = 6,345.34 × 1,765.30
  4. Step 4: Simplify right side
    4,231.12x = 11,201,428.70
  5. Step 5: Solve for x
    x = 11,201,428.70/4,231.12
  6. Step 6: Final answer
    x = 2,647.39

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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.