Home / 2,738.60-4,129.67-2,436.20

Finding the Fourth Proportional to 2,738.60, 4,129.67 and 2,436.20

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Solution

The fourth proportional to 2,738.60, 4,129.67 and 2,436.20 is: 3,673.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.60 : 4,129.67 = 2,436.20 : x
  2. Step 2: Convert to fraction form
    2,738.60/4,129.67 = 2,436.20/x
  3. Step 3: Cross multiply
    2,738.60x = 4,129.67 × 2,436.20
  4. Step 4: Simplify right side
    2,738.60x = 10,060,702.05
  5. Step 5: Solve for x
    x = 10,060,702.05/2,738.60
  6. Step 6: Final answer
    x = 3,673.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.