Home / 3,186.48-4,779.60-1,896.16

Finding the Fourth Proportional to 3,186.48, 4,779.60 and 1,896.16

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Solution

The fourth proportional to 3,186.48, 4,779.60 and 1,896.16 is: 2,844.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.48 : 4,779.60 = 1,896.16 : x
  2. Step 2: Convert to fraction form
    3,186.48/4,779.60 = 1,896.16/x
  3. Step 3: Cross multiply
    3,186.48x = 4,779.60 × 1,896.16
  4. Step 4: Simplify right side
    3,186.48x = 9,062,886.34
  5. Step 5: Solve for x
    x = 9,062,886.34/3,186.48
  6. Step 6: Final answer
    x = 2,844.17

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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.