Home / 3,620.53-4,998.57-2,779.62

Finding the Fourth Proportional to 3,620.53, 4,998.57 and 2,779.62

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Solution

The fourth proportional to 3,620.53, 4,998.57 and 2,779.62 is: 3,837.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.53 : 4,998.57 = 2,779.62 : x
  2. Step 2: Convert to fraction form
    3,620.53/4,998.57 = 2,779.62/x
  3. Step 3: Cross multiply
    3,620.53x = 4,998.57 × 2,779.62
  4. Step 4: Simplify right side
    3,620.53x = 13,894,125.14
  5. Step 5: Solve for x
    x = 13,894,125.14/3,620.53
  6. Step 6: Final answer
    x = 3,837.59

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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.