Home / 2,143.06-2,958.50-2,028.60

Finding the Fourth Proportional to 2,143.06, 2,958.50 and 2,028.60

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Solution

The fourth proportional to 2,143.06, 2,958.50 and 2,028.60 is: 2,800.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143.06 : 2,958.50 = 2,028.60 : x
  2. Step 2: Convert to fraction form
    2,143.06/2,958.50 = 2,028.60/x
  3. Step 3: Cross multiply
    2,143.06x = 2,958.50 × 2,028.60
  4. Step 4: Simplify right side
    2,143.06x = 6,001,595.67
  5. Step 5: Solve for x
    x = 6,001,595.67/2,143.06
  6. Step 6: Final answer
    x = 2,800.48

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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.