Home / 3,779.89-5,661.55-2,680.93

Finding the Fourth Proportional to 3,779.89, 5,661.55 and 2,680.93

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Solution

The fourth proportional to 3,779.89, 5,661.55 and 2,680.93 is: 4,015.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.89 : 5,661.55 = 2,680.93 : x
  2. Step 2: Convert to fraction form
    3,779.89/5,661.55 = 2,680.93/x
  3. Step 3: Cross multiply
    3,779.89x = 5,661.55 × 2,680.93
  4. Step 4: Simplify right side
    3,779.89x = 15,178,219.24
  5. Step 5: Solve for x
    x = 15,178,219.24/3,779.89
  6. Step 6: Final answer
    x = 4,015.52

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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.