Home / 2,826.39-4,235.49-1,437.80

Finding the Fourth Proportional to 2,826.39, 4,235.49 and 1,437.80

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Solution

The fourth proportional to 2,826.39, 4,235.49 and 1,437.80 is: 2,154.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.39 : 4,235.49 = 1,437.80 : x
  2. Step 2: Convert to fraction form
    2,826.39/4,235.49 = 1,437.80/x
  3. Step 3: Cross multiply
    2,826.39x = 4,235.49 × 1,437.80
  4. Step 4: Simplify right side
    2,826.39x = 6,089,790.17
  5. Step 5: Solve for x
    x = 6,089,790.17/2,826.39
  6. Step 6: Final answer
    x = 2,154.61

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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.