Home / 3,506.54-4,839.36-2,620.80

Finding the Fourth Proportional to 3,506.54, 4,839.36 and 2,620.80

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Solution

The fourth proportional to 3,506.54, 4,839.36 and 2,620.80 is: 3,616.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.54 : 4,839.36 = 2,620.80 : x
  2. Step 2: Convert to fraction form
    3,506.54/4,839.36 = 2,620.80/x
  3. Step 3: Cross multiply
    3,506.54x = 4,839.36 × 2,620.80
  4. Step 4: Simplify right side
    3,506.54x = 12,682,994.69
  5. Step 5: Solve for x
    x = 12,682,994.69/3,506.54
  6. Step 6: Final answer
    x = 3,616.95

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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.