Home / 3,740.82-5,611.86-1,400.76

Finding the Fourth Proportional to 3,740.82, 5,611.86 and 1,400.76

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Solution

The fourth proportional to 3,740.82, 5,611.86 and 1,400.76 is: 2,101.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.82 : 5,611.86 = 1,400.76 : x
  2. Step 2: Convert to fraction form
    3,740.82/5,611.86 = 1,400.76/x
  3. Step 3: Cross multiply
    3,740.82x = 5,611.86 × 1,400.76
  4. Step 4: Simplify right side
    3,740.82x = 7,860,869.01
  5. Step 5: Solve for x
    x = 7,860,869.01/3,740.82
  6. Step 6: Final answer
    x = 2,101.38

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1.5x scale

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.