Home / 2,808.36-4,211.52-1,164.16

Finding the Fourth Proportional to 2,808.36, 4,211.52 and 1,164.16

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Solution

The fourth proportional to 2,808.36, 4,211.52 and 1,164.16 is: 1,745.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.36 : 4,211.52 = 1,164.16 : x
  2. Step 2: Convert to fraction form
    2,808.36/4,211.52 = 1,164.16/x
  3. Step 3: Cross multiply
    2,808.36x = 4,211.52 × 1,164.16
  4. Step 4: Simplify right side
    2,808.36x = 4,902,883.12
  5. Step 5: Solve for x
    x = 4,902,883.12/2,808.36
  6. Step 6: Final answer
    x = 1,745.82

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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.