Home / 2,653.99-3,979.63-1,009.29

Finding the Fourth Proportional to 2,653.99, 3,979.63 and 1,009.29

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Solution

The fourth proportional to 2,653.99, 3,979.63 and 1,009.29 is: 1,513.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653.99 : 3,979.63 = 1,009.29 : x
  2. Step 2: Convert to fraction form
    2,653.99/3,979.63 = 1,009.29/x
  3. Step 3: Cross multiply
    2,653.99x = 3,979.63 × 1,009.29
  4. Step 4: Simplify right side
    2,653.99x = 4,016,600.76
  5. Step 5: Solve for x
    x = 4,016,600.76/2,653.99
  6. Step 6: Final answer
    x = 1,513.42

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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.