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Finding the Fourth Proportional to 3,674.68, 5,508.36 and 1,482.76

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Solution

The fourth proportional to 3,674.68, 5,508.36 and 1,482.76 is: 2,222.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.68 : 5,508.36 = 1,482.76 : x
  2. Step 2: Convert to fraction form
    3,674.68/5,508.36 = 1,482.76/x
  3. Step 3: Cross multiply
    3,674.68x = 5,508.36 × 1,482.76
  4. Step 4: Simplify right side
    3,674.68x = 8,167,575.87
  5. Step 5: Solve for x
    x = 8,167,575.87/3,674.68
  6. Step 6: Final answer
    x = 2,222.66

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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.