Home / 1,416.69-1,937.66-1,394.01

Finding the Fourth Proportional to 1,416.69, 1,937.66 and 1,394.01

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Solution

The fourth proportional to 1,416.69, 1,937.66 and 1,394.01 is: 1,906.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416.69 : 1,937.66 = 1,394.01 : x
  2. Step 2: Convert to fraction form
    1,416.69/1,937.66 = 1,394.01/x
  3. Step 3: Cross multiply
    1,416.69x = 1,937.66 × 1,394.01
  4. Step 4: Simplify right side
    1,416.69x = 2,701,110.45
  5. Step 5: Solve for x
    x = 2,701,110.45/1,416.69
  6. Step 6: Final answer
    x = 1,906.63

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.