Home / 2,913.47-4,020.97-1,734.54

Finding the Fourth Proportional to 2,913.47, 4,020.97 and 1,734.54

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Solution

The fourth proportional to 2,913.47, 4,020.97 and 1,734.54 is: 2,393.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.47 : 4,020.97 = 1,734.54 : x
  2. Step 2: Convert to fraction form
    2,913.47/4,020.97 = 1,734.54/x
  3. Step 3: Cross multiply
    2,913.47x = 4,020.97 × 1,734.54
  4. Step 4: Simplify right side
    2,913.47x = 6,974,523.57
  5. Step 5: Solve for x
    x = 6,974,523.57/2,913.47
  6. Step 6: Final answer
    x = 2,393.89

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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.