Home / 3,193.48-4,407.82-2,485.16

Finding the Fourth Proportional to 3,193.48, 4,407.82 and 2,485.16

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Solution

The fourth proportional to 3,193.48, 4,407.82 and 2,485.16 is: 3,430.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193.48 : 4,407.82 = 2,485.16 : x
  2. Step 2: Convert to fraction form
    3,193.48/4,407.82 = 2,485.16/x
  3. Step 3: Cross multiply
    3,193.48x = 4,407.82 × 2,485.16
  4. Step 4: Simplify right side
    3,193.48x = 10,954,137.95
  5. Step 5: Solve for x
    x = 10,954,137.95/3,193.48
  6. Step 6: Final answer
    x = 3,430.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.