Home / 3,028.45-4,178.92-1,817.07

Finding the Fourth Proportional to 3,028.45, 4,178.92 and 1,817.07

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Solution

The fourth proportional to 3,028.45, 4,178.92 and 1,817.07 is: 2,507.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.45 : 4,178.92 = 1,817.07 : x
  2. Step 2: Convert to fraction form
    3,028.45/4,178.92 = 1,817.07/x
  3. Step 3: Cross multiply
    3,028.45x = 4,178.92 × 1,817.07
  4. Step 4: Simplify right side
    3,028.45x = 7,593,373.81
  5. Step 5: Solve for x
    x = 7,593,373.81/3,028.45
  6. Step 6: Final answer
    x = 2,507.35

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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.