Home / 2,728.08-4,091.04-1,495.20

Finding the Fourth Proportional to 2,728.08, 4,091.04 and 1,495.20

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Solution

The fourth proportional to 2,728.08, 4,091.04 and 1,495.20 is: 2,242.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.08 : 4,091.04 = 1,495.20 : x
  2. Step 2: Convert to fraction form
    2,728.08/4,091.04 = 1,495.20/x
  3. Step 3: Cross multiply
    2,728.08x = 4,091.04 × 1,495.20
  4. Step 4: Simplify right side
    2,728.08x = 6,116,923.01
  5. Step 5: Solve for x
    x = 6,116,923.01/2,728.08
  6. Step 6: Final answer
    x = 2,242.21

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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.