Home / 3,535.45-5,305.20-2,075.63

Finding the Fourth Proportional to 3,535.45, 5,305.20 and 2,075.63

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Solution

The fourth proportional to 3,535.45, 5,305.20 and 2,075.63 is: 3,114.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.45 : 5,305.20 = 2,075.63 : x
  2. Step 2: Convert to fraction form
    3,535.45/5,305.20 = 2,075.63/x
  3. Step 3: Cross multiply
    3,535.45x = 5,305.20 × 2,075.63
  4. Step 4: Simplify right side
    3,535.45x = 11,011,597.97
  5. Step 5: Solve for x
    x = 11,011,597.97/3,535.45
  6. Step 6: Final answer
    x = 3,114.63

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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.