Home / 3,874.08-5,810.94-1,276.68

Finding the Fourth Proportional to 3,874.08, 5,810.94 and 1,276.68

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Solution

The fourth proportional to 3,874.08, 5,810.94 and 1,276.68 is: 1,914.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.08 : 5,810.94 = 1,276.68 : x
  2. Step 2: Convert to fraction form
    3,874.08/5,810.94 = 1,276.68/x
  3. Step 3: Cross multiply
    3,874.08x = 5,810.94 × 1,276.68
  4. Step 4: Simplify right side
    3,874.08x = 7,418,710.88
  5. Step 5: Solve for x
    x = 7,418,710.88/3,874.08
  6. Step 6: Final answer
    x = 1,914.96

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1.5x scale

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.