Home / 1,224.30-1,836.72-608.34

Finding the Fourth Proportional to 1,224.30, 1,836.72 and 608.34

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Solution

The fourth proportional to 1,224.30, 1,836.72 and 608.34 is: 912.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224.30 : 1,836.72 = 608.34 : x
  2. Step 2: Convert to fraction form
    1,224.30/1,836.72 = 608.34/x
  3. Step 3: Cross multiply
    1,224.30x = 1,836.72 × 608.34
  4. Step 4: Simplify right side
    1,224.30x = 1,117,350.24
  5. Step 5: Solve for x
    x = 1,117,350.24/1,224.30
  6. Step 6: Final answer
    x = 912.64

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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.