Home / 1,804.32-2,712.66-1,669.05

Finding the Fourth Proportional to 1,804.32, 2,712.66 and 1,669.05

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Solution

The fourth proportional to 1,804.32, 2,712.66 and 1,669.05 is: 2,509.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804.32 : 2,712.66 = 1,669.05 : x
  2. Step 2: Convert to fraction form
    1,804.32/2,712.66 = 1,669.05/x
  3. Step 3: Cross multiply
    1,804.32x = 2,712.66 × 1,669.05
  4. Step 4: Simplify right side
    1,804.32x = 4,527,571.95
  5. Step 5: Solve for x
    x = 4,527,571.95/1,804.32
  6. Step 6: Final answer
    x = 2,509.29

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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.