Home / 1,678.97-2,501.58-1,584.66

Finding the Fourth Proportional to 1,678.97, 2,501.58 and 1,584.66

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Solution

The fourth proportional to 1,678.97, 2,501.58 and 1,584.66 is: 2,361.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678.97 : 2,501.58 = 1,584.66 : x
  2. Step 2: Convert to fraction form
    1,678.97/2,501.58 = 1,584.66/x
  3. Step 3: Cross multiply
    1,678.97x = 2,501.58 × 1,584.66
  4. Step 4: Simplify right side
    1,678.97x = 3,964,150.32
  5. Step 5: Solve for x
    x = 3,964,150.32/1,678.97
  6. Step 6: Final answer
    x = 2,361.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.