Home / 3,814.13-5,263.23-2,135.49

Finding the Fourth Proportional to 3,814.13, 5,263.23 and 2,135.49

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Solution

The fourth proportional to 3,814.13, 5,263.23 and 2,135.49 is: 2,946.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.13 : 5,263.23 = 2,135.49 : x
  2. Step 2: Convert to fraction form
    3,814.13/5,263.23 = 2,135.49/x
  3. Step 3: Cross multiply
    3,814.13x = 5,263.23 × 2,135.49
  4. Step 4: Simplify right side
    3,814.13x = 11,239,575.03
  5. Step 5: Solve for x
    x = 11,239,575.03/3,814.13
  6. Step 6: Final answer
    x = 2,946.83

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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.