Home / 3,518.54-4,855.66-2,103.69

Finding the Fourth Proportional to 3,518.54, 4,855.66 and 2,103.69

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Solution

The fourth proportional to 3,518.54, 4,855.66 and 2,103.69 is: 2,903.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.54 : 4,855.66 = 2,103.69 : x
  2. Step 2: Convert to fraction form
    3,518.54/4,855.66 = 2,103.69/x
  3. Step 3: Cross multiply
    3,518.54x = 4,855.66 × 2,103.69
  4. Step 4: Simplify right side
    3,518.54x = 10,214,803.39
  5. Step 5: Solve for x
    x = 10,214,803.39/3,518.54
  6. Step 6: Final answer
    x = 2,903.14

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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.