Home / 3,406.93-5,110.24-1,215.63

Finding the Fourth Proportional to 3,406.93, 5,110.24 and 1,215.63

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Solution

The fourth proportional to 3,406.93, 5,110.24 and 1,215.63 is: 1,823.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.93 : 5,110.24 = 1,215.63 : x
  2. Step 2: Convert to fraction form
    3,406.93/5,110.24 = 1,215.63/x
  3. Step 3: Cross multiply
    3,406.93x = 5,110.24 × 1,215.63
  4. Step 4: Simplify right side
    3,406.93x = 6,212,161.05
  5. Step 5: Solve for x
    x = 6,212,161.05/3,406.93
  6. Step 6: Final answer
    x = 1,823.39

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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.