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Finding the Fourth Proportional to 3,483.84, 4,793.27 and 3,042.80

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Solution

The fourth proportional to 3,483.84, 4,793.27 and 3,042.80 is: 4,186.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483.84 : 4,793.27 = 3,042.80 : x
  2. Step 2: Convert to fraction form
    3,483.84/4,793.27 = 3,042.80/x
  3. Step 3: Cross multiply
    3,483.84x = 4,793.27 × 3,042.80
  4. Step 4: Simplify right side
    3,483.84x = 14,584,922.78
  5. Step 5: Solve for x
    x = 14,584,922.78/3,483.84
  6. Step 6: Final answer
    x = 4,186.45

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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.