Home / 3,075.77-4,234.78-2,682.65

Finding the Fourth Proportional to 3,075.77, 4,234.78 and 2,682.65

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Solution

The fourth proportional to 3,075.77, 4,234.78 and 2,682.65 is: 3,693.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.77 : 4,234.78 = 2,682.65 : x
  2. Step 2: Convert to fraction form
    3,075.77/4,234.78 = 2,682.65/x
  3. Step 3: Cross multiply
    3,075.77x = 4,234.78 × 2,682.65
  4. Step 4: Simplify right side
    3,075.77x = 11,360,446.51
  5. Step 5: Solve for x
    x = 11,360,446.51/3,075.77
  6. Step 6: Final answer
    x = 3,693.53

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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.