Home / 1,647.72-2,464.20-1,232.28

Finding the Fourth Proportional to 1,647.72, 2,464.20 and 1,232.28

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Solution

The fourth proportional to 1,647.72, 2,464.20 and 1,232.28 is: 1,842.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647.72 : 2,464.20 = 1,232.28 : x
  2. Step 2: Convert to fraction form
    1,647.72/2,464.20 = 1,232.28/x
  3. Step 3: Cross multiply
    1,647.72x = 2,464.20 × 1,232.28
  4. Step 4: Simplify right side
    1,647.72x = 3,036,584.38
  5. Step 5: Solve for x
    x = 3,036,584.38/1,647.72
  6. Step 6: Final answer
    x = 1,842.90

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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.