Home / 1,630.07-2,440.86-1,355.33

Finding the Fourth Proportional to 1,630.07, 2,440.86 and 1,355.33

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Solution

The fourth proportional to 1,630.07, 2,440.86 and 1,355.33 is: 2,029.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.07 : 2,440.86 = 1,355.33 : x
  2. Step 2: Convert to fraction form
    1,630.07/2,440.86 = 1,355.33/x
  3. Step 3: Cross multiply
    1,630.07x = 2,440.86 × 1,355.33
  4. Step 4: Simplify right side
    1,630.07x = 3,308,175.62
  5. Step 5: Solve for x
    x = 3,308,175.62/1,630.07
  6. Step 6: Final answer
    x = 2,029.46

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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.