Home / 3,429.90-5,144.67-1,454.67

Finding the Fourth Proportional to 3,429.90, 5,144.67 and 1,454.67

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Solution

The fourth proportional to 3,429.90, 5,144.67 and 1,454.67 is: 2,181.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.90 : 5,144.67 = 1,454.67 : x
  2. Step 2: Convert to fraction form
    3,429.90/5,144.67 = 1,454.67/x
  3. Step 3: Cross multiply
    3,429.90x = 5,144.67 × 1,454.67
  4. Step 4: Simplify right side
    3,429.90x = 7,483,797.11
  5. Step 5: Solve for x
    x = 7,483,797.11/3,429.90
  6. Step 6: Final answer
    x = 2,181.93

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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.