Home / 2,779.08-3,835.88-1,600.34

Finding the Fourth Proportional to 2,779.08, 3,835.88 and 1,600.34

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Solution

The fourth proportional to 2,779.08, 3,835.88 and 1,600.34 is: 2,208.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.08 : 3,835.88 = 1,600.34 : x
  2. Step 2: Convert to fraction form
    2,779.08/3,835.88 = 1,600.34/x
  3. Step 3: Cross multiply
    2,779.08x = 3,835.88 × 1,600.34
  4. Step 4: Simplify right side
    2,779.08x = 6,138,712.20
  5. Step 5: Solve for x
    x = 6,138,712.20/2,779.08
  6. Step 6: Final answer
    x = 2,208.90

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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.