Home / 3,716.12-5,128.34-2,300.03

Finding the Fourth Proportional to 3,716.12, 5,128.34 and 2,300.03

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Solution

The fourth proportional to 3,716.12, 5,128.34 and 2,300.03 is: 3,174.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.12 : 5,128.34 = 2,300.03 : x
  2. Step 2: Convert to fraction form
    3,716.12/5,128.34 = 2,300.03/x
  3. Step 3: Cross multiply
    3,716.12x = 5,128.34 × 2,300.03
  4. Step 4: Simplify right side
    3,716.12x = 11,795,337.17
  5. Step 5: Solve for x
    x = 11,795,337.17/3,716.12
  6. Step 6: Final answer
    x = 3,174.10

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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.