Home / 3,003.06-4,142.70-1,954.92

Finding the Fourth Proportional to 3,003.06, 4,142.70 and 1,954.92

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Solution

The fourth proportional to 3,003.06, 4,142.70 and 1,954.92 is: 2,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.06 : 4,142.70 = 1,954.92 : x
  2. Step 2: Convert to fraction form
    3,003.06/4,142.70 = 1,954.92/x
  3. Step 3: Cross multiply
    3,003.06x = 4,142.70 × 1,954.92
  4. Step 4: Simplify right side
    3,003.06x = 8,098,647.08
  5. Step 5: Solve for x
    x = 8,098,647.08/3,003.06
  6. Step 6: Final answer
    x = 2,696.80

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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.