Home / 3,954.95-5,457.61-2,186.44

Finding the Fourth Proportional to 3,954.95, 5,457.61 and 2,186.44

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Solution

The fourth proportional to 3,954.95, 5,457.61 and 2,186.44 is: 3,017.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.95 : 5,457.61 = 2,186.44 : x
  2. Step 2: Convert to fraction form
    3,954.95/5,457.61 = 2,186.44/x
  3. Step 3: Cross multiply
    3,954.95x = 5,457.61 × 2,186.44
  4. Step 4: Simplify right side
    3,954.95x = 11,932,725.90
  5. Step 5: Solve for x
    x = 11,932,725.90/3,954.95
  6. Step 6: Final answer
    x = 3,017.16

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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.