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Finding the Fourth Proportional to 3,009.69, 4,507.53 and 2,926.65

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Solution

The fourth proportional to 3,009.69, 4,507.53 and 2,926.65 is: 4,383.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.69 : 4,507.53 = 2,926.65 : x
  2. Step 2: Convert to fraction form
    3,009.69/4,507.53 = 2,926.65/x
  3. Step 3: Cross multiply
    3,009.69x = 4,507.53 × 2,926.65
  4. Step 4: Simplify right side
    3,009.69x = 13,191,962.67
  5. Step 5: Solve for x
    x = 13,191,962.67/3,009.69
  6. Step 6: Final answer
    x = 4,383.16

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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.