Home / 4,274.34-5,894.52-2,780.54

Finding the Fourth Proportional to 4,274.34, 5,894.52 and 2,780.54

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Solution

The fourth proportional to 4,274.34, 5,894.52 and 2,780.54 is: 3,834.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,274.34 : 5,894.52 = 2,780.54 : x
  2. Step 2: Convert to fraction form
    4,274.34/5,894.52 = 2,780.54/x
  3. Step 3: Cross multiply
    4,274.34x = 5,894.52 × 2,780.54
  4. Step 4: Simplify right side
    4,274.34x = 16,389,948.64
  5. Step 5: Solve for x
    x = 16,389,948.64/4,274.34
  6. Step 6: Final answer
    x = 3,834.50

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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.