Home / 3,407.33-5,110.98-1,215.54

Finding the Fourth Proportional to 3,407.33, 5,110.98 and 1,215.54

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Solution

The fourth proportional to 3,407.33, 5,110.98 and 1,215.54 is: 1,823.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.33 : 5,110.98 = 1,215.54 : x
  2. Step 2: Convert to fraction form
    3,407.33/5,110.98 = 1,215.54/x
  3. Step 3: Cross multiply
    3,407.33x = 5,110.98 × 1,215.54
  4. Step 4: Simplify right side
    3,407.33x = 6,212,605.19
  5. Step 5: Solve for x
    x = 6,212,605.19/3,407.33
  6. Step 6: Final answer
    x = 1,823.31

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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.