Home / 3,278.13-4,892.03-2,927.81

Finding the Fourth Proportional to 3,278.13, 4,892.03 and 2,927.81

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Solution

The fourth proportional to 3,278.13, 4,892.03 and 2,927.81 is: 4,369.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.13 : 4,892.03 = 2,927.81 : x
  2. Step 2: Convert to fraction form
    3,278.13/4,892.03 = 2,927.81/x
  3. Step 3: Cross multiply
    3,278.13x = 4,892.03 × 2,927.81
  4. Step 4: Simplify right side
    3,278.13x = 14,322,895.26
  5. Step 5: Solve for x
    x = 14,322,895.26/3,278.13
  6. Step 6: Final answer
    x = 4,369.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.