Home / 3,158.56-4,358.45-1,814.09

Finding the Fourth Proportional to 3,158.56, 4,358.45 and 1,814.09

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Solution

The fourth proportional to 3,158.56, 4,358.45 and 1,814.09 is: 2,503.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.56 : 4,358.45 = 1,814.09 : x
  2. Step 2: Convert to fraction form
    3,158.56/4,358.45 = 1,814.09/x
  3. Step 3: Cross multiply
    3,158.56x = 4,358.45 × 1,814.09
  4. Step 4: Simplify right side
    3,158.56x = 7,906,611.49
  5. Step 5: Solve for x
    x = 7,906,611.49/3,158.56
  6. Step 6: Final answer
    x = 2,503.24

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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.