Home / 3,028.64-4,179.28-1,684.16

Finding the Fourth Proportional to 3,028.64, 4,179.28 and 1,684.16

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Solution

The fourth proportional to 3,028.64, 4,179.28 and 1,684.16 is: 2,324.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.64 : 4,179.28 = 1,684.16 : x
  2. Step 2: Convert to fraction form
    3,028.64/4,179.28 = 1,684.16/x
  3. Step 3: Cross multiply
    3,028.64x = 4,179.28 × 1,684.16
  4. Step 4: Simplify right side
    3,028.64x = 7,038,576.20
  5. Step 5: Solve for x
    x = 7,038,576.20/3,028.64
  6. Step 6: Final answer
    x = 2,324.01

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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.