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Finding the Fourth Proportional to 3,885.95, 5,824.06 and 3,060.97

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Solution

The fourth proportional to 3,885.95, 5,824.06 and 3,060.97 is: 4,587.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.95 : 5,824.06 = 3,060.97 : x
  2. Step 2: Convert to fraction form
    3,885.95/5,824.06 = 3,060.97/x
  3. Step 3: Cross multiply
    3,885.95x = 5,824.06 × 3,060.97
  4. Step 4: Simplify right side
    3,885.95x = 17,827,272.94
  5. Step 5: Solve for x
    x = 17,827,272.94/3,885.95
  6. Step 6: Final answer
    x = 4,587.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.