Home / 2,860.31-4,282.67-2,164.88

Finding the Fourth Proportional to 2,860.31, 4,282.67 and 2,164.88

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Solution

The fourth proportional to 2,860.31, 4,282.67 and 2,164.88 is: 3,241.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.31 : 4,282.67 = 2,164.88 : x
  2. Step 2: Convert to fraction form
    2,860.31/4,282.67 = 2,164.88/x
  3. Step 3: Cross multiply
    2,860.31x = 4,282.67 × 2,164.88
  4. Step 4: Simplify right side
    2,860.31x = 9,271,458.66
  5. Step 5: Solve for x
    x = 9,271,458.66/2,860.31
  6. Step 6: Final answer
    x = 3,241.41

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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.