Home / 2,451.62-3,383.03-1,389.61

Finding the Fourth Proportional to 2,451.62, 3,383.03 and 1,389.61

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Solution

The fourth proportional to 2,451.62, 3,383.03 and 1,389.61 is: 1,917.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.62 : 3,383.03 = 1,389.61 : x
  2. Step 2: Convert to fraction form
    2,451.62/3,383.03 = 1,389.61/x
  3. Step 3: Cross multiply
    2,451.62x = 3,383.03 × 1,389.61
  4. Step 4: Simplify right side
    2,451.62x = 4,701,080.99
  5. Step 5: Solve for x
    x = 4,701,080.99/2,451.62
  6. Step 6: Final answer
    x = 1,917.54

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1.5x scale

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.