Home / 2,779.57-4,161.93-1,478.26

Finding the Fourth Proportional to 2,779.57, 4,161.93 and 1,478.26

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Solution

The fourth proportional to 2,779.57, 4,161.93 and 1,478.26 is: 2,213.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.57 : 4,161.93 = 1,478.26 : x
  2. Step 2: Convert to fraction form
    2,779.57/4,161.93 = 1,478.26/x
  3. Step 3: Cross multiply
    2,779.57x = 4,161.93 × 1,478.26
  4. Step 4: Simplify right side
    2,779.57x = 6,152,414.64
  5. Step 5: Solve for x
    x = 6,152,414.64/2,779.57
  6. Step 6: Final answer
    x = 2,213.44

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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.