Home / 3,518.38-4,855.30-1,946.48

Finding the Fourth Proportional to 3,518.38, 4,855.30 and 1,946.48

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Solution

The fourth proportional to 3,518.38, 4,855.30 and 1,946.48 is: 2,686.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.38 : 4,855.30 = 1,946.48 : x
  2. Step 2: Convert to fraction form
    3,518.38/4,855.30 = 1,946.48/x
  3. Step 3: Cross multiply
    3,518.38x = 4,855.30 × 1,946.48
  4. Step 4: Simplify right side
    3,518.38x = 9,450,720.07
  5. Step 5: Solve for x
    x = 9,450,720.07/3,518.38
  6. Step 6: Final answer
    x = 2,686.10

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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.