Home / 2,037.15-3,055.62-720.50

Finding the Fourth Proportional to 2,037.15, 3,055.62 and 720.50

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Solution

The fourth proportional to 2,037.15, 3,055.62 and 720.50 is: 1,080.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.15 : 3,055.62 = 720.50 : x
  2. Step 2: Convert to fraction form
    2,037.15/3,055.62 = 720.50/x
  3. Step 3: Cross multiply
    2,037.15x = 3,055.62 × 720.50
  4. Step 4: Simplify right side
    2,037.15x = 2,201,561.63
  5. Step 5: Solve for x
    x = 2,201,561.63/2,037.15
  6. Step 6: Final answer
    x = 1,080.71

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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.