Home / 2,779.35-4,165.73-1,392.27

Finding the Fourth Proportional to 2,779.35, 4,165.73 and 1,392.27

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Solution

The fourth proportional to 2,779.35, 4,165.73 and 1,392.27 is: 2,086.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.35 : 4,165.73 = 1,392.27 : x
  2. Step 2: Convert to fraction form
    2,779.35/4,165.73 = 1,392.27/x
  3. Step 3: Cross multiply
    2,779.35x = 4,165.73 × 1,392.27
  4. Step 4: Simplify right side
    2,779.35x = 5,799,813.95
  5. Step 5: Solve for x
    x = 5,799,813.95/2,779.35
  6. Step 6: Final answer
    x = 2,086.75

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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.