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Finding the Fourth Proportional to 3,715.56, 5,595.36 and 3,234.42

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Solution

The fourth proportional to 3,715.56, 5,595.36 and 3,234.42 is: 4,870.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.56 : 5,595.36 = 3,234.42 : x
  2. Step 2: Convert to fraction form
    3,715.56/5,595.36 = 3,234.42/x
  3. Step 3: Cross multiply
    3,715.56x = 5,595.36 × 3,234.42
  4. Step 4: Simplify right side
    3,715.56x = 18,097,744.29
  5. Step 5: Solve for x
    x = 18,097,744.29/3,715.56
  6. Step 6: Final answer
    x = 4,870.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.