Home / 3,518.37-4,855.68-1,946.97

Finding the Fourth Proportional to 3,518.37, 4,855.68 and 1,946.97

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Solution

The fourth proportional to 3,518.37, 4,855.68 and 1,946.97 is: 2,687.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.37 : 4,855.68 = 1,946.97 : x
  2. Step 2: Convert to fraction form
    3,518.37/4,855.68 = 1,946.97/x
  3. Step 3: Cross multiply
    3,518.37x = 4,855.68 × 1,946.97
  4. Step 4: Simplify right side
    3,518.37x = 9,453,863.29
  5. Step 5: Solve for x
    x = 9,453,863.29/3,518.37
  6. Step 6: Final answer
    x = 2,687.00

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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.