Home / 2,653.59-3,979.44-1,009.70

Finding the Fourth Proportional to 2,653.59, 3,979.44 and 1,009.70

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Solution

The fourth proportional to 2,653.59, 3,979.44 and 1,009.70 is: 1,514.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,653.59 : 3,979.44 = 1,009.70 : x
  2. Step 2: Convert to fraction form
    2,653.59/3,979.44 = 1,009.70/x
  3. Step 3: Cross multiply
    2,653.59x = 3,979.44 × 1,009.70
  4. Step 4: Simplify right side
    2,653.59x = 4,018,040.57
  5. Step 5: Solve for x
    x = 4,018,040.57/2,653.59
  6. Step 6: Final answer
    x = 1,514.19

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1.5x scale

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.