Home / 2,151.26-3,228.91-1,056.41

Finding the Fourth Proportional to 2,151.26, 3,228.91 and 1,056.41

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Solution

The fourth proportional to 2,151.26, 3,228.91 and 1,056.41 is: 1,585.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151.26 : 3,228.91 = 1,056.41 : x
  2. Step 2: Convert to fraction form
    2,151.26/3,228.91 = 1,056.41/x
  3. Step 3: Cross multiply
    2,151.26x = 3,228.91 × 1,056.41
  4. Step 4: Simplify right side
    2,151.26x = 3,411,052.08
  5. Step 5: Solve for x
    x = 3,411,052.08/2,151.26
  6. Step 6: Final answer
    x = 1,585.61

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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.