Home / 2,779.36-4,175.68-1,625.92

Finding the Fourth Proportional to 2,779.36, 4,175.68 and 1,625.92

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Solution

The fourth proportional to 2,779.36, 4,175.68 and 1,625.92 is: 2,442.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.36 : 4,175.68 = 1,625.92 : x
  2. Step 2: Convert to fraction form
    2,779.36/4,175.68 = 1,625.92/x
  3. Step 3: Cross multiply
    2,779.36x = 4,175.68 × 1,625.92
  4. Step 4: Simplify right side
    2,779.36x = 6,789,321.63
  5. Step 5: Solve for x
    x = 6,789,321.63/2,779.36
  6. Step 6: Final answer
    x = 2,442.76

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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.