Home / 2,675.18-4,008.62-1,855.05

Finding the Fourth Proportional to 2,675.18, 4,008.62 and 1,855.05

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Solution

The fourth proportional to 2,675.18, 4,008.62 and 1,855.05 is: 2,779.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.18 : 4,008.62 = 1,855.05 : x
  2. Step 2: Convert to fraction form
    2,675.18/4,008.62 = 1,855.05/x
  3. Step 3: Cross multiply
    2,675.18x = 4,008.62 × 1,855.05
  4. Step 4: Simplify right side
    2,675.18x = 7,436,181.26
  5. Step 5: Solve for x
    x = 7,436,181.26/2,675.18
  6. Step 6: Final answer
    x = 2,779.70

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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.