Home / 1,487.37-2,217.97-1,383.49

Finding the Fourth Proportional to 1,487.37, 2,217.97 and 1,383.49

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Solution

The fourth proportional to 1,487.37, 2,217.97 and 1,383.49 is: 2,063.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487.37 : 2,217.97 = 1,383.49 : x
  2. Step 2: Convert to fraction form
    1,487.37/2,217.97 = 1,383.49/x
  3. Step 3: Cross multiply
    1,487.37x = 2,217.97 × 1,383.49
  4. Step 4: Simplify right side
    1,487.37x = 3,068,539.32
  5. Step 5: Solve for x
    x = 3,068,539.32/1,487.37
  6. Step 6: Final answer
    x = 2,063.06

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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.