Home / 2,653.02-3,979.62-1,009.80

Finding the Fourth Proportional to 2,653.02, 3,979.62 and 1,009.80

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Solution

The fourth proportional to 2,653.02, 3,979.62 and 1,009.80 is: 1,514.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653.02 : 3,979.62 = 1,009.80 : x
  2. Step 2: Convert to fraction form
    2,653.02/3,979.62 = 1,009.80/x
  3. Step 3: Cross multiply
    2,653.02x = 3,979.62 × 1,009.80
  4. Step 4: Simplify right side
    2,653.02x = 4,018,620.28
  5. Step 5: Solve for x
    x = 4,018,620.28/2,653.02
  6. Step 6: Final answer
    x = 1,514.73

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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.