Home / 3,206.95-4,804.15-2,858.65

Finding the Fourth Proportional to 3,206.95, 4,804.15 and 2,858.65

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Solution

The fourth proportional to 3,206.95, 4,804.15 and 2,858.65 is: 4,282.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.95 : 4,804.15 = 2,858.65 : x
  2. Step 2: Convert to fraction form
    3,206.95/4,804.15 = 2,858.65/x
  3. Step 3: Cross multiply
    3,206.95x = 4,804.15 × 2,858.65
  4. Step 4: Simplify right side
    3,206.95x = 13,733,369.10
  5. Step 5: Solve for x
    x = 13,733,369.10/3,206.95
  6. Step 6: Final answer
    x = 4,282.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.