Home / 1,579.30-2,368.94-850.30

Finding the Fourth Proportional to 1,579.30, 2,368.94 and 850.30

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Solution

The fourth proportional to 1,579.30, 2,368.94 and 850.30 is: 1,275.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.30 : 2,368.94 = 850.30 : x
  2. Step 2: Convert to fraction form
    1,579.30/2,368.94 = 850.30/x
  3. Step 3: Cross multiply
    1,579.30x = 2,368.94 × 850.30
  4. Step 4: Simplify right side
    1,579.30x = 2,014,299.51
  5. Step 5: Solve for x
    x = 2,014,299.51/1,579.30
  6. Step 6: Final answer
    x = 1,275.44

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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.