Home / 3,409.30-5,114.26-1,217.50

Finding the Fourth Proportional to 3,409.30, 5,114.26 and 1,217.50

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Solution

The fourth proportional to 3,409.30, 5,114.26 and 1,217.50 is: 1,826.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.30 : 5,114.26 = 1,217.50 : x
  2. Step 2: Convert to fraction form
    3,409.30/5,114.26 = 1,217.50/x
  3. Step 3: Cross multiply
    3,409.30x = 5,114.26 × 1,217.50
  4. Step 4: Simplify right side
    3,409.30x = 6,226,611.55
  5. Step 5: Solve for x
    x = 6,226,611.55/3,409.30
  6. Step 6: Final answer
    x = 1,826.36

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1.5x scale

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.