Home / 2,634.93-3,636.33-1,515.85

Finding the Fourth Proportional to 2,634.93, 3,636.33 and 1,515.85

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Solution

The fourth proportional to 2,634.93, 3,636.33 and 1,515.85 is: 2,091.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.93 : 3,636.33 = 1,515.85 : x
  2. Step 2: Convert to fraction form
    2,634.93/3,636.33 = 1,515.85/x
  3. Step 3: Cross multiply
    2,634.93x = 3,636.33 × 1,515.85
  4. Step 4: Simplify right side
    2,634.93x = 5,512,116.06
  5. Step 5: Solve for x
    x = 5,512,116.06/2,634.93
  6. Step 6: Final answer
    x = 2,091.94

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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.