Home / 2,790.94-4,189.15-1,037.70

Finding the Fourth Proportional to 2,790.94, 4,189.15 and 1,037.70

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Solution

The fourth proportional to 2,790.94, 4,189.15 and 1,037.70 is: 1,557.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.94 : 4,189.15 = 1,037.70 : x
  2. Step 2: Convert to fraction form
    2,790.94/4,189.15 = 1,037.70/x
  3. Step 3: Cross multiply
    2,790.94x = 4,189.15 × 1,037.70
  4. Step 4: Simplify right side
    2,790.94x = 4,347,080.96
  5. Step 5: Solve for x
    x = 4,347,080.96/2,790.94
  6. Step 6: Final answer
    x = 1,557.57

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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.