Home / 3,712.80-5,567.36-1,404.48

Finding the Fourth Proportional to 3,712.80, 5,567.36 and 1,404.48

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Solution

The fourth proportional to 3,712.80, 5,567.36 and 1,404.48 is: 2,106.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.80 : 5,567.36 = 1,404.48 : x
  2. Step 2: Convert to fraction form
    3,712.80/5,567.36 = 1,404.48/x
  3. Step 3: Cross multiply
    3,712.80x = 5,567.36 × 1,404.48
  4. Step 4: Simplify right side
    3,712.80x = 7,819,245.77
  5. Step 5: Solve for x
    x = 7,819,245.77/3,712.80
  6. Step 6: Final answer
    x = 2,106.02

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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.