Home / 2,779.20-3,816.50-2,336.36

Finding the Fourth Proportional to 2,779.20, 3,816.50 and 2,336.36

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Solution

The fourth proportional to 2,779.20, 3,816.50 and 2,336.36 is: 3,208.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.20 : 3,816.50 = 2,336.36 : x
  2. Step 2: Convert to fraction form
    2,779.20/3,816.50 = 2,336.36/x
  3. Step 3: Cross multiply
    2,779.20x = 3,816.50 × 2,336.36
  4. Step 4: Simplify right side
    2,779.20x = 8,916,687.18
  5. Step 5: Solve for x
    x = 8,916,687.18/2,779.20
  6. Step 6: Final answer
    x = 3,208.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.