Home / 2,960.59-4,085.29-1,634.21

Finding the Fourth Proportional to 2,960.59, 4,085.29 and 1,634.21

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Solution

The fourth proportional to 2,960.59, 4,085.29 and 1,634.21 is: 2,255.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.59 : 4,085.29 = 1,634.21 : x
  2. Step 2: Convert to fraction form
    2,960.59/4,085.29 = 1,634.21/x
  3. Step 3: Cross multiply
    2,960.59x = 4,085.29 × 1,634.21
  4. Step 4: Simplify right side
    2,960.59x = 6,676,221.77
  5. Step 5: Solve for x
    x = 6,676,221.77/2,960.59
  6. Step 6: Final answer
    x = 2,255.03

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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.