Home / 3,674.82-5,070.95-2,162.14

Finding the Fourth Proportional to 3,674.82, 5,070.95 and 2,162.14

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Solution

The fourth proportional to 3,674.82, 5,070.95 and 2,162.14 is: 2,983.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.82 : 5,070.95 = 2,162.14 : x
  2. Step 2: Convert to fraction form
    3,674.82/5,070.95 = 2,162.14/x
  3. Step 3: Cross multiply
    3,674.82x = 5,070.95 × 2,162.14
  4. Step 4: Simplify right side
    3,674.82x = 10,964,075.85
  5. Step 5: Solve for x
    x = 10,964,075.85/3,674.82
  6. Step 6: Final answer
    x = 2,983.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.