Home / 3,028.27-4,178.51-1,683.84

Finding the Fourth Proportional to 3,028.27, 4,178.51 and 1,683.84

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Solution

The fourth proportional to 3,028.27, 4,178.51 and 1,683.84 is: 2,323.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.27 : 4,178.51 = 1,683.84 : x
  2. Step 2: Convert to fraction form
    3,028.27/4,178.51 = 1,683.84/x
  3. Step 3: Cross multiply
    3,028.27x = 4,178.51 × 1,683.84
  4. Step 4: Simplify right side
    3,028.27x = 7,035,953.74
  5. Step 5: Solve for x
    x = 7,035,953.74/3,028.27
  6. Step 6: Final answer
    x = 2,323.42

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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.