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Finding the Fourth Proportional to 2,592.03, 3,888.01 and 644.22

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Solution

The fourth proportional to 2,592.03, 3,888.01 and 644.22 is: 966.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,592.03 : 3,888.01 = 644.22 : x
  2. Step 2: Convert to fraction form
    2,592.03/3,888.01 = 644.22/x
  3. Step 3: Cross multiply
    2,592.03x = 3,888.01 × 644.22
  4. Step 4: Simplify right side
    2,592.03x = 2,504,733.80
  5. Step 5: Solve for x
    x = 2,504,733.80/2,592.03
  6. Step 6: Final answer
    x = 966.32

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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.