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Finding the Fourth Proportional to 1,208.16, 1,809.84 and 882.24

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Solution

The fourth proportional to 1,208.16, 1,809.84 and 882.24 is: 1,321.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208.16 : 1,809.84 = 882.24 : x
  2. Step 2: Convert to fraction form
    1,208.16/1,809.84 = 882.24/x
  3. Step 3: Cross multiply
    1,208.16x = 1,809.84 × 882.24
  4. Step 4: Simplify right side
    1,208.16x = 1,596,713.24
  5. Step 5: Solve for x
    x = 1,596,713.24/1,208.16
  6. Step 6: Final answer
    x = 1,321.61

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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.