Home / 2,841.44-3,920.04-1,779.02

Finding the Fourth Proportional to 2,841.44, 3,920.04 and 1,779.02

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Solution

The fourth proportional to 2,841.44, 3,920.04 and 1,779.02 is: 2,454.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.44 : 3,920.04 = 1,779.02 : x
  2. Step 2: Convert to fraction form
    2,841.44/3,920.04 = 1,779.02/x
  3. Step 3: Cross multiply
    2,841.44x = 3,920.04 × 1,779.02
  4. Step 4: Simplify right side
    2,841.44x = 6,973,829.56
  5. Step 5: Solve for x
    x = 6,973,829.56/2,841.44
  6. Step 6: Final answer
    x = 2,454.33

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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.