Home / 2,204.97-3,308.31-971.51

Finding the Fourth Proportional to 2,204.97, 3,308.31 and 971.51

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Solution

The fourth proportional to 2,204.97, 3,308.31 and 971.51 is: 1,457.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,204.97 : 3,308.31 = 971.51 : x
  2. Step 2: Convert to fraction form
    2,204.97/3,308.31 = 971.51/x
  3. Step 3: Cross multiply
    2,204.97x = 3,308.31 × 971.51
  4. Step 4: Simplify right side
    2,204.97x = 3,214,056.25
  5. Step 5: Solve for x
    x = 3,214,056.25/2,204.97
  6. Step 6: Final answer
    x = 1,457.64

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1.5x scale

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.