Home / 2,971.97-4,103.51-2,265.05

Finding the Fourth Proportional to 2,971.97, 4,103.51 and 2,265.05

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Solution

The fourth proportional to 2,971.97, 4,103.51 and 2,265.05 is: 3,127.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.97 : 4,103.51 = 2,265.05 : x
  2. Step 2: Convert to fraction form
    2,971.97/4,103.51 = 2,265.05/x
  3. Step 3: Cross multiply
    2,971.97x = 4,103.51 × 2,265.05
  4. Step 4: Simplify right side
    2,971.97x = 9,294,623.48
  5. Step 5: Solve for x
    x = 9,294,623.48/2,971.97
  6. Step 6: Final answer
    x = 3,127.43

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1.5x scale

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.