Home / 3,019.05-4,531.65-2,091.42

Finding the Fourth Proportional to 3,019.05, 4,531.65 and 2,091.42

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Solution

The fourth proportional to 3,019.05, 4,531.65 and 2,091.42 is: 3,139.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.05 : 4,531.65 = 2,091.42 : x
  2. Step 2: Convert to fraction form
    3,019.05/4,531.65 = 2,091.42/x
  3. Step 3: Cross multiply
    3,019.05x = 4,531.65 × 2,091.42
  4. Step 4: Simplify right side
    3,019.05x = 9,477,583.44
  5. Step 5: Solve for x
    x = 9,477,583.44/3,019.05
  6. Step 6: Final answer
    x = 3,139.26

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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.