Home / 2,954.25-4,431.56-1,310.81

Finding the Fourth Proportional to 2,954.25, 4,431.56 and 1,310.81

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Solution

The fourth proportional to 2,954.25, 4,431.56 and 1,310.81 is: 1,966.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.25 : 4,431.56 = 1,310.81 : x
  2. Step 2: Convert to fraction form
    2,954.25/4,431.56 = 1,310.81/x
  3. Step 3: Cross multiply
    2,954.25x = 4,431.56 × 1,310.81
  4. Step 4: Simplify right side
    2,954.25x = 5,808,904.45
  5. Step 5: Solve for x
    x = 5,808,904.45/2,954.25
  6. Step 6: Final answer
    x = 1,966.29

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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.