Home / 2,860.32-4,291.82-1,012.84

Finding the Fourth Proportional to 2,860.32, 4,291.82 and 1,012.84

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Solution

The fourth proportional to 2,860.32, 4,291.82 and 1,012.84 is: 1,519.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.32 : 4,291.82 = 1,012.84 : x
  2. Step 2: Convert to fraction form
    2,860.32/4,291.82 = 1,012.84/x
  3. Step 3: Cross multiply
    2,860.32x = 4,291.82 × 1,012.84
  4. Step 4: Simplify right side
    2,860.32x = 4,346,926.97
  5. Step 5: Solve for x
    x = 4,346,926.97/2,860.32
  6. Step 6: Final answer
    x = 1,519.73

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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.