Home / 3,530.91-4,861.53-2,998.68

Finding the Fourth Proportional to 3,530.91, 4,861.53 and 2,998.68

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Solution

The fourth proportional to 3,530.91, 4,861.53 and 2,998.68 is: 4,128.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.91 : 4,861.53 = 2,998.68 : x
  2. Step 2: Convert to fraction form
    3,530.91/4,861.53 = 2,998.68/x
  3. Step 3: Cross multiply
    3,530.91x = 4,861.53 × 2,998.68
  4. Step 4: Simplify right side
    3,530.91x = 14,578,172.78
  5. Step 5: Solve for x
    x = 14,578,172.78/3,530.91
  6. Step 6: Final answer
    x = 4,128.73

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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.