Home / 3,450.42-5,176.11-1,260.18

Finding the Fourth Proportional to 3,450.42, 5,176.11 and 1,260.18

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Solution

The fourth proportional to 3,450.42, 5,176.11 and 1,260.18 is: 1,890.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.42 : 5,176.11 = 1,260.18 : x
  2. Step 2: Convert to fraction form
    3,450.42/5,176.11 = 1,260.18/x
  3. Step 3: Cross multiply
    3,450.42x = 5,176.11 × 1,260.18
  4. Step 4: Simplify right side
    3,450.42x = 6,522,830.30
  5. Step 5: Solve for x
    x = 6,522,830.30/3,450.42
  6. Step 6: Final answer
    x = 1,890.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.