Home / 3,391.21-5,088.45-1,200.97

Finding the Fourth Proportional to 3,391.21, 5,088.45 and 1,200.97

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Solution

The fourth proportional to 3,391.21, 5,088.45 and 1,200.97 is: 1,802.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.21 : 5,088.45 = 1,200.97 : x
  2. Step 2: Convert to fraction form
    3,391.21/5,088.45 = 1,200.97/x
  3. Step 3: Cross multiply
    3,391.21x = 5,088.45 × 1,200.97
  4. Step 4: Simplify right side
    3,391.21x = 6,111,075.80
  5. Step 5: Solve for x
    x = 6,111,075.80/3,391.21
  6. Step 6: Final answer
    x = 1,802.03

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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.