Home / 3,035.46-4,185.58-1,915.06

Finding the Fourth Proportional to 3,035.46, 4,185.58 and 1,915.06

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Solution

The fourth proportional to 3,035.46, 4,185.58 and 1,915.06 is: 2,640.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,035.46 : 4,185.58 = 1,915.06 : x
  2. Step 2: Convert to fraction form
    3,035.46/4,185.58 = 1,915.06/x
  3. Step 3: Cross multiply
    3,035.46x = 4,185.58 × 1,915.06
  4. Step 4: Simplify right side
    3,035.46x = 8,015,636.83
  5. Step 5: Solve for x
    x = 8,015,636.83/3,035.46
  6. Step 6: Final answer
    x = 2,640.67

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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.