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Finding the Fourth Proportional to 1,841.47, 2,762.48 and 609.19

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Solution

The fourth proportional to 1,841.47, 2,762.48 and 609.19 is: 913.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841.47 : 2,762.48 = 609.19 : x
  2. Step 2: Convert to fraction form
    1,841.47/2,762.48 = 609.19/x
  3. Step 3: Cross multiply
    1,841.47x = 2,762.48 × 609.19
  4. Step 4: Simplify right side
    1,841.47x = 1,682,875.19
  5. Step 5: Solve for x
    x = 1,682,875.19/1,841.47
  6. Step 6: Final answer
    x = 913.88

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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.