Home / 3,409.30-5,113.98-1,764.87

Finding the Fourth Proportional to 3,409.30, 5,113.98 and 1,764.87

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Solution

The fourth proportional to 3,409.30, 5,113.98 and 1,764.87 is: 2,647.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.30 : 5,113.98 = 1,764.87 : x
  2. Step 2: Convert to fraction form
    3,409.30/5,113.98 = 1,764.87/x
  3. Step 3: Cross multiply
    3,409.30x = 5,113.98 × 1,764.87
  4. Step 4: Simplify right side
    3,409.30x = 9,025,509.88
  5. Step 5: Solve for x
    x = 9,025,509.88/3,409.30
  6. Step 6: Final answer
    x = 2,647.32

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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.