Home / 2,779.68-4,170.46-1,480.26

Finding the Fourth Proportional to 2,779.68, 4,170.46 and 1,480.26

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Solution

The fourth proportional to 2,779.68, 4,170.46 and 1,480.26 is: 2,220.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.68 : 4,170.46 = 1,480.26 : x
  2. Step 2: Convert to fraction form
    2,779.68/4,170.46 = 1,480.26/x
  3. Step 3: Cross multiply
    2,779.68x = 4,170.46 × 1,480.26
  4. Step 4: Simplify right side
    2,779.68x = 6,173,365.12
  5. Step 5: Solve for x
    x = 6,173,365.12/2,779.68
  6. Step 6: Final answer
    x = 2,220.89

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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.