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Finding the Fourth Proportional to 2,325.56, 3,488.88 and 682.10

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Solution

The fourth proportional to 2,325.56, 3,488.88 and 682.10 is: 1,023.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.56 : 3,488.88 = 682.10 : x
  2. Step 2: Convert to fraction form
    2,325.56/3,488.88 = 682.10/x
  3. Step 3: Cross multiply
    2,325.56x = 3,488.88 × 682.10
  4. Step 4: Simplify right side
    2,325.56x = 2,379,765.05
  5. Step 5: Solve for x
    x = 2,379,765.05/2,325.56
  6. Step 6: Final answer
    x = 1,023.31

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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.