Home / 3,021.28-4,169.28-1,841.92

Finding the Fourth Proportional to 3,021.28, 4,169.28 and 1,841.92

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Solution

The fourth proportional to 3,021.28, 4,169.28 and 1,841.92 is: 2,541.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.28 : 4,169.28 = 1,841.92 : x
  2. Step 2: Convert to fraction form
    3,021.28/4,169.28 = 1,841.92/x
  3. Step 3: Cross multiply
    3,021.28x = 4,169.28 × 1,841.92
  4. Step 4: Simplify right side
    3,021.28x = 7,679,480.22
  5. Step 5: Solve for x
    x = 7,679,480.22/3,021.28
  6. Step 6: Final answer
    x = 2,541.80

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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.