Home / 3,407.00-5,107.46-1,215.41

Finding the Fourth Proportional to 3,407.00, 5,107.46 and 1,215.41

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Solution

The fourth proportional to 3,407.00, 5,107.46 and 1,215.41 is: 1,822.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.00 : 5,107.46 = 1,215.41 : x
  2. Step 2: Convert to fraction form
    3,407.00/5,107.46 = 1,215.41/x
  3. Step 3: Cross multiply
    3,407.00x = 5,107.46 × 1,215.41
  4. Step 4: Simplify right side
    3,407.00x = 6,207,626.34
  5. Step 5: Solve for x
    x = 6,207,626.34/3,407.00
  6. Step 6: Final answer
    x = 1,822.02

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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.