Home / 2,486.39-3,427.61-1,738.03

Finding the Fourth Proportional to 2,486.39, 3,427.61 and 1,738.03

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Solution

The fourth proportional to 2,486.39, 3,427.61 and 1,738.03 is: 2,395.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.39 : 3,427.61 = 1,738.03 : x
  2. Step 2: Convert to fraction form
    2,486.39/3,427.61 = 1,738.03/x
  3. Step 3: Cross multiply
    2,486.39x = 3,427.61 × 1,738.03
  4. Step 4: Simplify right side
    2,486.39x = 5,957,271.75
  5. Step 5: Solve for x
    x = 5,957,271.75/2,486.39
  6. Step 6: Final answer
    x = 2,395.95

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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.