Home / 2,934.30-4,051.26-2,085.42

Finding the Fourth Proportional to 2,934.30, 4,051.26 and 2,085.42

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Solution

The fourth proportional to 2,934.30, 4,051.26 and 2,085.42 is: 2,879.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.30 : 4,051.26 = 2,085.42 : x
  2. Step 2: Convert to fraction form
    2,934.30/4,051.26 = 2,085.42/x
  3. Step 3: Cross multiply
    2,934.30x = 4,051.26 × 2,085.42
  4. Step 4: Simplify right side
    2,934.30x = 8,448,578.63
  5. Step 5: Solve for x
    x = 8,448,578.63/2,934.30
  6. Step 6: Final answer
    x = 2,879.25

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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.