Home / 1,698.50-2,546.66-1,149.86

Finding the Fourth Proportional to 1,698.50, 2,546.66 and 1,149.86

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Solution

The fourth proportional to 1,698.50, 2,546.66 and 1,149.86 is: 1,724.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698.50 : 2,546.66 = 1,149.86 : x
  2. Step 2: Convert to fraction form
    1,698.50/2,546.66 = 1,149.86/x
  3. Step 3: Cross multiply
    1,698.50x = 2,546.66 × 1,149.86
  4. Step 4: Simplify right side
    1,698.50x = 2,928,302.47
  5. Step 5: Solve for x
    x = 2,928,302.47/1,698.50
  6. Step 6: Final answer
    x = 1,724.05

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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.