Home / 1,544.10-2,321.55-1,511.70

Finding the Fourth Proportional to 1,544.10, 2,321.55 and 1,511.70

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Solution

The fourth proportional to 1,544.10, 2,321.55 and 1,511.70 is: 2,272.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.10 : 2,321.55 = 1,511.70 : x
  2. Step 2: Convert to fraction form
    1,544.10/2,321.55 = 1,511.70/x
  3. Step 3: Cross multiply
    1,544.10x = 2,321.55 × 1,511.70
  4. Step 4: Simplify right side
    1,544.10x = 3,509,487.14
  5. Step 5: Solve for x
    x = 3,509,487.14/1,544.10
  6. Step 6: Final answer
    x = 2,272.84

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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.