Home / 3,779.07-5,216.49-3,245.79

Finding the Fourth Proportional to 3,779.07, 5,216.49 and 3,245.79

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Solution

The fourth proportional to 3,779.07, 5,216.49 and 3,245.79 is: 4,480.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.07 : 5,216.49 = 3,245.79 : x
  2. Step 2: Convert to fraction form
    3,779.07/5,216.49 = 3,245.79/x
  3. Step 3: Cross multiply
    3,779.07x = 5,216.49 × 3,245.79
  4. Step 4: Simplify right side
    3,779.07x = 16,931,631.08
  5. Step 5: Solve for x
    x = 16,931,631.08/3,779.07
  6. Step 6: Final answer
    x = 4,480.37

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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.