Home / 1,623.23-2,238.58-1,063.49

Finding the Fourth Proportional to 1,623.23, 2,238.58 and 1,063.49

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Solution

The fourth proportional to 1,623.23, 2,238.58 and 1,063.49 is: 1,466.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.23 : 2,238.58 = 1,063.49 : x
  2. Step 2: Convert to fraction form
    1,623.23/2,238.58 = 1,063.49/x
  3. Step 3: Cross multiply
    1,623.23x = 2,238.58 × 1,063.49
  4. Step 4: Simplify right side
    1,623.23x = 2,380,707.44
  5. Step 5: Solve for x
    x = 2,380,707.44/1,623.23
  6. Step 6: Final answer
    x = 1,466.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.