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Finding the Fourth Proportional to 1,462.92, 2,191.74 and 804.09

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Solution

The fourth proportional to 1,462.92, 2,191.74 and 804.09 is: 1,204.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462.92 : 2,191.74 = 804.09 : x
  2. Step 2: Convert to fraction form
    1,462.92/2,191.74 = 804.09/x
  3. Step 3: Cross multiply
    1,462.92x = 2,191.74 × 804.09
  4. Step 4: Simplify right side
    1,462.92x = 1,762,356.22
  5. Step 5: Solve for x
    x = 1,762,356.22/1,462.92
  6. Step 6: Final answer
    x = 1,204.68

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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.