Home / 3,285.08-4,929-1,436.66

Finding the Fourth Proportional to 3,285.08, 4,929 and 1,436.66

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Solution

The fourth proportional to 3,285.08, 4,929 and 1,436.66 is: 2,155.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.08 : 4,929 = 1,436.66 : x
  2. Step 2: Convert to fraction form
    3,285.08/4,929 = 1,436.66/x
  3. Step 3: Cross multiply
    3,285.08x = 4,929 × 1,436.66
  4. Step 4: Simplify right side
    3,285.08x = 7,081,297.14
  5. Step 5: Solve for x
    x = 7,081,297.14/3,285.08
  6. Step 6: Final answer
    x = 2,155.59

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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.