Home / 1,782.32-2,451.78-1,450.01

Finding the Fourth Proportional to 1,782.32, 2,451.78 and 1,450.01

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Solution

The fourth proportional to 1,782.32, 2,451.78 and 1,450.01 is: 1,994.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782.32 : 2,451.78 = 1,450.01 : x
  2. Step 2: Convert to fraction form
    1,782.32/2,451.78 = 1,450.01/x
  3. Step 3: Cross multiply
    1,782.32x = 2,451.78 × 1,450.01
  4. Step 4: Simplify right side
    1,782.32x = 3,555,093.26
  5. Step 5: Solve for x
    x = 3,555,093.26/1,782.32
  6. Step 6: Final answer
    x = 1,994.65

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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.