Home / 2,730.15-3,762.81-2,255.22

Finding the Fourth Proportional to 2,730.15, 3,762.81 and 2,255.22

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Solution

The fourth proportional to 2,730.15, 3,762.81 and 2,255.22 is: 3,108.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.15 : 3,762.81 = 2,255.22 : x
  2. Step 2: Convert to fraction form
    2,730.15/3,762.81 = 2,255.22/x
  3. Step 3: Cross multiply
    2,730.15x = 3,762.81 × 2,255.22
  4. Step 4: Simplify right side
    2,730.15x = 8,485,964.37
  5. Step 5: Solve for x
    x = 8,485,964.37/2,730.15
  6. Step 6: Final answer
    x = 3,108.24

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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.