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Finding the Fourth Proportional to 3,503.91, 4,835.52 and 2,011.89

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Solution

The fourth proportional to 3,503.91, 4,835.52 and 2,011.89 is: 2,776.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.91 : 4,835.52 = 2,011.89 : x
  2. Step 2: Convert to fraction form
    3,503.91/4,835.52 = 2,011.89/x
  3. Step 3: Cross multiply
    3,503.91x = 4,835.52 × 2,011.89
  4. Step 4: Simplify right side
    3,503.91x = 9,728,534.33
  5. Step 5: Solve for x
    x = 9,728,534.33/3,503.91
  6. Step 6: Final answer
    x = 2,776.48

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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.