Home / 3,608.96-4,979.76-2,036.60

Finding the Fourth Proportional to 3,608.96, 4,979.76 and 2,036.60

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Solution

The fourth proportional to 3,608.96, 4,979.76 and 2,036.60 is: 2,810.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.96 : 4,979.76 = 2,036.60 : x
  2. Step 2: Convert to fraction form
    3,608.96/4,979.76 = 2,036.60/x
  3. Step 3: Cross multiply
    3,608.96x = 4,979.76 × 2,036.60
  4. Step 4: Simplify right side
    3,608.96x = 10,141,779.22
  5. Step 5: Solve for x
    x = 10,141,779.22/3,608.96
  6. Step 6: Final answer
    x = 2,810.17

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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.