Home / 3,055.80-4,220.44-2,065.16

Finding the Fourth Proportional to 3,055.80, 4,220.44 and 2,065.16

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Solution

The fourth proportional to 3,055.80, 4,220.44 and 2,065.16 is: 2,852.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.80 : 4,220.44 = 2,065.16 : x
  2. Step 2: Convert to fraction form
    3,055.80/4,220.44 = 2,065.16/x
  3. Step 3: Cross multiply
    3,055.80x = 4,220.44 × 2,065.16
  4. Step 4: Simplify right side
    3,055.80x = 8,715,883.87
  5. Step 5: Solve for x
    x = 8,715,883.87/3,055.80
  6. Step 6: Final answer
    x = 2,852.24

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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.