Home / 1,636.44-2,258.31-973.32

Finding the Fourth Proportional to 1,636.44, 2,258.31 and 973.32

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Solution

The fourth proportional to 1,636.44, 2,258.31 and 973.32 is: 1,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636.44 : 2,258.31 = 973.32 : x
  2. Step 2: Convert to fraction form
    1,636.44/2,258.31 = 973.32/x
  3. Step 3: Cross multiply
    1,636.44x = 2,258.31 × 973.32
  4. Step 4: Simplify right side
    1,636.44x = 2,198,058.29
  5. Step 5: Solve for x
    x = 2,198,058.29/1,636.44
  6. Step 6: Final answer
    x = 1,343.20

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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.