Home / 3,391.68-5,087.67-1,200.63

Finding the Fourth Proportional to 3,391.68, 5,087.67 and 1,200.63

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Solution

The fourth proportional to 3,391.68, 5,087.67 and 1,200.63 is: 1,801.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.68 : 5,087.67 = 1,200.63 : x
  2. Step 2: Convert to fraction form
    3,391.68/5,087.67 = 1,200.63/x
  3. Step 3: Cross multiply
    3,391.68x = 5,087.67 × 1,200.63
  4. Step 4: Simplify right side
    3,391.68x = 6,108,409.23
  5. Step 5: Solve for x
    x = 6,108,409.23/3,391.68
  6. Step 6: Final answer
    x = 1,801.00

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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.