Home / 3,740.80-5,611.36-1,400.58

Finding the Fourth Proportional to 3,740.80, 5,611.36 and 1,400.58

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Solution

The fourth proportional to 3,740.80, 5,611.36 and 1,400.58 is: 2,100.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.80 : 5,611.36 = 1,400.58 : x
  2. Step 2: Convert to fraction form
    3,740.80/5,611.36 = 1,400.58/x
  3. Step 3: Cross multiply
    3,740.80x = 5,611.36 × 1,400.58
  4. Step 4: Simplify right side
    3,740.80x = 7,859,158.59
  5. Step 5: Solve for x
    x = 7,859,158.59/3,740.80
  6. Step 6: Final answer
    x = 2,100.93

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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.