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Finding the Fourth Proportional to 3,321, 4,584.06 and 1,923.48

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Solution

The fourth proportional to 3,321, 4,584.06 and 1,923.48 is: 2,655.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321 : 4,584.06 = 1,923.48 : x
  2. Step 2: Convert to fraction form
    3,321/4,584.06 = 1,923.48/x
  3. Step 3: Cross multiply
    3,321x = 4,584.06 × 1,923.48
  4. Step 4: Simplify right side
    3,321x = 8,817,347.73
  5. Step 5: Solve for x
    x = 8,817,347.73/3,321
  6. Step 6: Final answer
    x = 2,655.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.