Home / 3,428.37-5,141.88-1,579.10

Finding the Fourth Proportional to 3,428.37, 5,141.88 and 1,579.10

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Solution

The fourth proportional to 3,428.37, 5,141.88 and 1,579.10 is: 2,368.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.37 : 5,141.88 = 1,579.10 : x
  2. Step 2: Convert to fraction form
    3,428.37/5,141.88 = 1,579.10/x
  3. Step 3: Cross multiply
    3,428.37x = 5,141.88 × 1,579.10
  4. Step 4: Simplify right side
    3,428.37x = 8,119,517.00
  5. Step 5: Solve for x
    x = 8,119,517.00/3,428.37
  6. Step 6: Final answer
    x = 2,368.33

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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.