Home / 3,028.19-4,542.29-1,384.30

Finding the Fourth Proportional to 3,028.19, 4,542.29 and 1,384.30

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Solution

The fourth proportional to 3,028.19, 4,542.29 and 1,384.30 is: 2,076.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.19 : 4,542.29 = 1,384.30 : x
  2. Step 2: Convert to fraction form
    3,028.19/4,542.29 = 1,384.30/x
  3. Step 3: Cross multiply
    3,028.19x = 4,542.29 × 1,384.30
  4. Step 4: Simplify right side
    3,028.19x = 6,287,884.15
  5. Step 5: Solve for x
    x = 6,287,884.15/3,028.19
  6. Step 6: Final answer
    x = 2,076.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.