Home / 3,381.81-5,075.59-1,993.11

Finding the Fourth Proportional to 3,381.81, 5,075.59 and 1,993.11

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Solution

The fourth proportional to 3,381.81, 5,075.59 and 1,993.11 is: 2,991.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.81 : 5,075.59 = 1,993.11 : x
  2. Step 2: Convert to fraction form
    3,381.81/5,075.59 = 1,993.11/x
  3. Step 3: Cross multiply
    3,381.81x = 5,075.59 × 1,993.11
  4. Step 4: Simplify right side
    3,381.81x = 10,116,209.18
  5. Step 5: Solve for x
    x = 10,116,209.18/3,381.81
  6. Step 6: Final answer
    x = 2,991.36

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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.