Home / 2,962.08-4,443.12-1,422

Finding the Fourth Proportional to 2,962.08, 4,443.12 and 1,422

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Solution

The fourth proportional to 2,962.08, 4,443.12 and 1,422 is: 2,133

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.08 : 4,443.12 = 1,422 : x
  2. Step 2: Convert to fraction form
    2,962.08/4,443.12 = 1,422/x
  3. Step 3: Cross multiply
    2,962.08x = 4,443.12 × 1,422
  4. Step 4: Simplify right side
    2,962.08x = 6,318,116.64
  5. Step 5: Solve for x
    x = 6,318,116.64/2,962.08
  6. Step 6: Final answer
    x = 2,133

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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.