Home / 2,154.29-2,971.49-1,481.18

Finding the Fourth Proportional to 2,154.29, 2,971.49 and 1,481.18

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Solution

The fourth proportional to 2,154.29, 2,971.49 and 1,481.18 is: 2,043.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154.29 : 2,971.49 = 1,481.18 : x
  2. Step 2: Convert to fraction form
    2,154.29/2,971.49 = 1,481.18/x
  3. Step 3: Cross multiply
    2,154.29x = 2,971.49 × 1,481.18
  4. Step 4: Simplify right side
    2,154.29x = 4,401,289.29
  5. Step 5: Solve for x
    x = 4,401,289.29/2,154.29
  6. Step 6: Final answer
    x = 2,043.04

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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.