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Finding the Fourth Proportional to 2,986.73, 4,482.30 and 1,426.73

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Solution

The fourth proportional to 2,986.73, 4,482.30 and 1,426.73 is: 2,141.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986.73 : 4,482.30 = 1,426.73 : x
  2. Step 2: Convert to fraction form
    2,986.73/4,482.30 = 1,426.73/x
  3. Step 3: Cross multiply
    2,986.73x = 4,482.30 × 1,426.73
  4. Step 4: Simplify right side
    2,986.73x = 6,395,031.88
  5. Step 5: Solve for x
    x = 6,395,031.88/2,986.73
  6. Step 6: Final answer
    x = 2,141.15

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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.