Home / 3,954.93-5,459.09-2,776.29

Finding the Fourth Proportional to 3,954.93, 5,459.09 and 2,776.29

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Solution

The fourth proportional to 3,954.93, 5,459.09 and 2,776.29 is: 3,832.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.93 : 5,459.09 = 2,776.29 : x
  2. Step 2: Convert to fraction form
    3,954.93/5,459.09 = 2,776.29/x
  3. Step 3: Cross multiply
    3,954.93x = 5,459.09 × 2,776.29
  4. Step 4: Simplify right side
    3,954.93x = 15,156,016.98
  5. Step 5: Solve for x
    x = 15,156,016.98/3,954.93
  6. Step 6: Final answer
    x = 3,832.18

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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.