Home / 1,476.22-2,213.56-436.09

Finding the Fourth Proportional to 1,476.22, 2,213.56 and 436.09

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Solution

The fourth proportional to 1,476.22, 2,213.56 and 436.09 is: 653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.22 : 2,213.56 = 436.09 : x
  2. Step 2: Convert to fraction form
    1,476.22/2,213.56 = 436.09/x
  3. Step 3: Cross multiply
    1,476.22x = 2,213.56 × 436.09
  4. Step 4: Simplify right side
    1,476.22x = 965,300.31
  5. Step 5: Solve for x
    x = 965,300.31/1,476.22
  6. Step 6: Final answer
    x = 653.90

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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.