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Finding the Fourth Proportional to 1,612.00, 2,419.07 and 882.09

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Solution

The fourth proportional to 1,612.00, 2,419.07 and 882.09 is: 1,323.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.00 : 2,419.07 = 882.09 : x
  2. Step 2: Convert to fraction form
    1,612.00/2,419.07 = 882.09/x
  3. Step 3: Cross multiply
    1,612.00x = 2,419.07 × 882.09
  4. Step 4: Simplify right side
    1,612.00x = 2,133,833.05
  5. Step 5: Solve for x
    x = 2,133,833.05/1,612.00
  6. Step 6: Final answer
    x = 1,323.72

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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.