Home / 2,950.30-4,075.56-2,794.78

Finding the Fourth Proportional to 2,950.30, 4,075.56 and 2,794.78

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Solution

The fourth proportional to 2,950.30, 4,075.56 and 2,794.78 is: 3,860.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.30 : 4,075.56 = 2,794.78 : x
  2. Step 2: Convert to fraction form
    2,950.30/4,075.56 = 2,794.78/x
  3. Step 3: Cross multiply
    2,950.30x = 4,075.56 × 2,794.78
  4. Step 4: Simplify right side
    2,950.30x = 11,390,293.58
  5. Step 5: Solve for x
    x = 11,390,293.58/2,950.30
  6. Step 6: Final answer
    x = 3,860.72

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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.