Home / 2,779.96-3,835.92-1,600.84

Finding the Fourth Proportional to 2,779.96, 3,835.92 and 1,600.84

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Solution

The fourth proportional to 2,779.96, 3,835.92 and 1,600.84 is: 2,208.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.96 : 3,835.92 = 1,600.84 : x
  2. Step 2: Convert to fraction form
    2,779.96/3,835.92 = 1,600.84/x
  3. Step 3: Cross multiply
    2,779.96x = 3,835.92 × 1,600.84
  4. Step 4: Simplify right side
    2,779.96x = 6,140,694.17
  5. Step 5: Solve for x
    x = 6,140,694.17/2,779.96
  6. Step 6: Final answer
    x = 2,208.91

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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.