Home / 3,020.36-4,531.68-2,055.56

Finding the Fourth Proportional to 3,020.36, 4,531.68 and 2,055.56

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Solution

The fourth proportional to 3,020.36, 4,531.68 and 2,055.56 is: 3,084.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.36 : 4,531.68 = 2,055.56 : x
  2. Step 2: Convert to fraction form
    3,020.36/4,531.68 = 2,055.56/x
  3. Step 3: Cross multiply
    3,020.36x = 4,531.68 × 2,055.56
  4. Step 4: Simplify right side
    3,020.36x = 9,315,140.14
  5. Step 5: Solve for x
    x = 9,315,140.14/3,020.36
  6. Step 6: Final answer
    x = 3,084.12

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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.