Home / 3,450.48-5,176.40-1,891.77

Finding the Fourth Proportional to 3,450.48, 5,176.40 and 1,891.77

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Solution

The fourth proportional to 3,450.48, 5,176.40 and 1,891.77 is: 2,838.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.48 : 5,176.40 = 1,891.77 : x
  2. Step 2: Convert to fraction form
    3,450.48/5,176.40 = 1,891.77/x
  3. Step 3: Cross multiply
    3,450.48x = 5,176.40 × 1,891.77
  4. Step 4: Simplify right side
    3,450.48x = 9,792,548.77
  5. Step 5: Solve for x
    x = 9,792,548.77/3,450.48
  6. Step 6: Final answer
    x = 2,838.03

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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.