Home / 4,191.50-5,784.45-2,328.50

Finding the Fourth Proportional to 4,191.50, 5,784.45 and 2,328.50

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Solution

The fourth proportional to 4,191.50, 5,784.45 and 2,328.50 is: 3,213.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.50 : 5,784.45 = 2,328.50 : x
  2. Step 2: Convert to fraction form
    4,191.50/5,784.45 = 2,328.50/x
  3. Step 3: Cross multiply
    4,191.50x = 5,784.45 × 2,328.50
  4. Step 4: Simplify right side
    4,191.50x = 13,469,091.83
  5. Step 5: Solve for x
    x = 13,469,091.83/4,191.50
  6. Step 6: Final answer
    x = 3,213.43

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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.