Home / 3,490.05-5,228.01-1,613.27

Finding the Fourth Proportional to 3,490.05, 5,228.01 and 1,613.27

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Solution

The fourth proportional to 3,490.05, 5,228.01 and 1,613.27 is: 2,416.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.05 : 5,228.01 = 1,613.27 : x
  2. Step 2: Convert to fraction form
    3,490.05/5,228.01 = 1,613.27/x
  3. Step 3: Cross multiply
    3,490.05x = 5,228.01 × 1,613.27
  4. Step 4: Simplify right side
    3,490.05x = 8,434,191.69
  5. Step 5: Solve for x
    x = 8,434,191.69/3,490.05
  6. Step 6: Final answer
    x = 2,416.64

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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.