Home / 4,085.34-5,636.14-2,668.57

Finding the Fourth Proportional to 4,085.34, 5,636.14 and 2,668.57

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Solution

The fourth proportional to 4,085.34, 5,636.14 and 2,668.57 is: 3,681.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.34 : 5,636.14 = 2,668.57 : x
  2. Step 2: Convert to fraction form
    4,085.34/5,636.14 = 2,668.57/x
  3. Step 3: Cross multiply
    4,085.34x = 5,636.14 × 2,668.57
  4. Step 4: Simplify right side
    4,085.34x = 15,040,434.12
  5. Step 5: Solve for x
    x = 15,040,434.12/4,085.34
  6. Step 6: Final answer
    x = 3,681.56

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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.