Home / 2,075.08-3,110.04-1,381.12

Finding the Fourth Proportional to 2,075.08, 3,110.04 and 1,381.12

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Solution

The fourth proportional to 2,075.08, 3,110.04 and 1,381.12 is: 2,069.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.08 : 3,110.04 = 1,381.12 : x
  2. Step 2: Convert to fraction form
    2,075.08/3,110.04 = 1,381.12/x
  3. Step 3: Cross multiply
    2,075.08x = 3,110.04 × 1,381.12
  4. Step 4: Simplify right side
    2,075.08x = 4,295,338.44
  5. Step 5: Solve for x
    x = 4,295,338.44/2,075.08
  6. Step 6: Final answer
    x = 2,069.96

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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.