Home / 2,979.33-4,111.61-1,653.03

Finding the Fourth Proportional to 2,979.33, 4,111.61 and 1,653.03

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Solution

The fourth proportional to 2,979.33, 4,111.61 and 1,653.03 is: 2,281.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.33 : 4,111.61 = 1,653.03 : x
  2. Step 2: Convert to fraction form
    2,979.33/4,111.61 = 1,653.03/x
  3. Step 3: Cross multiply
    2,979.33x = 4,111.61 × 1,653.03
  4. Step 4: Simplify right side
    2,979.33x = 6,796,606.41
  5. Step 5: Solve for x
    x = 6,796,606.41/2,979.33
  6. Step 6: Final answer
    x = 2,281.25

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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.