Home / 2,160.99-2,982.12-1,265.26

Finding the Fourth Proportional to 2,160.99, 2,982.12 and 1,265.26

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Solution

The fourth proportional to 2,160.99, 2,982.12 and 1,265.26 is: 1,746.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160.99 : 2,982.12 = 1,265.26 : x
  2. Step 2: Convert to fraction form
    2,160.99/2,982.12 = 1,265.26/x
  3. Step 3: Cross multiply
    2,160.99x = 2,982.12 × 1,265.26
  4. Step 4: Simplify right side
    2,160.99x = 3,773,142.24
  5. Step 5: Solve for x
    x = 3,773,142.24/2,160.99
  6. Step 6: Final answer
    x = 1,746.03

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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.