Home / 3,716.40-5,574-1,251.12

Finding the Fourth Proportional to 3,716.40, 5,574 and 1,251.12

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Solution

The fourth proportional to 3,716.40, 5,574 and 1,251.12 is: 1,876.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.40 : 5,574 = 1,251.12 : x
  2. Step 2: Convert to fraction form
    3,716.40/5,574 = 1,251.12/x
  3. Step 3: Cross multiply
    3,716.40x = 5,574 × 1,251.12
  4. Step 4: Simplify right side
    3,716.40x = 6,973,742.88
  5. Step 5: Solve for x
    x = 6,973,742.88/3,716.40
  6. Step 6: Final answer
    x = 1,876.48

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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.