Home / 1,450.28-1,999.62-1,263.08

Finding the Fourth Proportional to 1,450.28, 1,999.62 and 1,263.08

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Solution

The fourth proportional to 1,450.28, 1,999.62 and 1,263.08 is: 1,741.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.28 : 1,999.62 = 1,263.08 : x
  2. Step 2: Convert to fraction form
    1,450.28/1,999.62 = 1,263.08/x
  3. Step 3: Cross multiply
    1,450.28x = 1,999.62 × 1,263.08
  4. Step 4: Simplify right side
    1,450.28x = 2,525,680.03
  5. Step 5: Solve for x
    x = 2,525,680.03/1,450.28
  6. Step 6: Final answer
    x = 1,741.51

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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.