Home / 3,409.32-5,114.20-1,217.46

Finding the Fourth Proportional to 3,409.32, 5,114.20 and 1,217.46

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Solution

The fourth proportional to 3,409.32, 5,114.20 and 1,217.46 is: 1,826.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.32 : 5,114.20 = 1,217.46 : x
  2. Step 2: Convert to fraction form
    3,409.32/5,114.20 = 1,217.46/x
  3. Step 3: Cross multiply
    3,409.32x = 5,114.20 × 1,217.46
  4. Step 4: Simplify right side
    3,409.32x = 6,226,333.93
  5. Step 5: Solve for x
    x = 6,226,333.93/3,409.32
  6. Step 6: Final answer
    x = 1,826.27

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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.