Home / 2,960.39-4,085.35-1,634.09

Finding the Fourth Proportional to 2,960.39, 4,085.35 and 1,634.09

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Solution

The fourth proportional to 2,960.39, 4,085.35 and 1,634.09 is: 2,255.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.39 : 4,085.35 = 1,634.09 : x
  2. Step 2: Convert to fraction form
    2,960.39/4,085.35 = 1,634.09/x
  3. Step 3: Cross multiply
    2,960.39x = 4,085.35 × 1,634.09
  4. Step 4: Simplify right side
    2,960.39x = 6,675,835.71
  5. Step 5: Solve for x
    x = 6,675,835.71/2,960.39
  6. Step 6: Final answer
    x = 2,255.06

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1.5x scale

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.