Home / 3,389.58-5,085.45-1,849.50

Finding the Fourth Proportional to 3,389.58, 5,085.45 and 1,849.50

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Solution

The fourth proportional to 3,389.58, 5,085.45 and 1,849.50 is: 2,774.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.58 : 5,085.45 = 1,849.50 : x
  2. Step 2: Convert to fraction form
    3,389.58/5,085.45 = 1,849.50/x
  3. Step 3: Cross multiply
    3,389.58x = 5,085.45 × 1,849.50
  4. Step 4: Simplify right side
    3,389.58x = 9,405,539.78
  5. Step 5: Solve for x
    x = 9,405,539.78/3,389.58
  6. Step 6: Final answer
    x = 2,774.84

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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.