Home / 1,680.04-2,323.62-1,505.32

Finding the Fourth Proportional to 1,680.04, 2,323.62 and 1,505.32

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Solution

The fourth proportional to 1,680.04, 2,323.62 and 1,505.32 is: 2,081.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680.04 : 2,323.62 = 1,505.32 : x
  2. Step 2: Convert to fraction form
    1,680.04/2,323.62 = 1,505.32/x
  3. Step 3: Cross multiply
    1,680.04x = 2,323.62 × 1,505.32
  4. Step 4: Simplify right side
    1,680.04x = 3,497,791.66
  5. Step 5: Solve for x
    x = 3,497,791.66/1,680.04
  6. Step 6: Final answer
    x = 2,081.97

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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.