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Finding the Fourth Proportional to 3,885.56, 5,360 and 2,624.94

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Solution

The fourth proportional to 3,885.56, 5,360 and 2,624.94 is: 3,621.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.56 : 5,360 = 2,624.94 : x
  2. Step 2: Convert to fraction form
    3,885.56/5,360 = 2,624.94/x
  3. Step 3: Cross multiply
    3,885.56x = 5,360 × 2,624.94
  4. Step 4: Simplify right side
    3,885.56x = 14,069,678.40
  5. Step 5: Solve for x
    x = 14,069,678.40/3,885.56
  6. Step 6: Final answer
    x = 3,621.02

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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.