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Finding the Fourth Proportional to 2,501, 3,759.60 and 2,320.64

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Solution

The fourth proportional to 2,501, 3,759.60 and 2,320.64 is: 3,488.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,501 : 3,759.60 = 2,320.64 : x
  2. Step 2: Convert to fraction form
    2,501/3,759.60 = 2,320.64/x
  3. Step 3: Cross multiply
    2,501x = 3,759.60 × 2,320.64
  4. Step 4: Simplify right side
    2,501x = 8,724,678.14
  5. Step 5: Solve for x
    x = 8,724,678.14/2,501
  6. Step 6: Final answer
    x = 3,488.48

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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.