Home / 3,155.25-4,733.48-1,423.88

Finding the Fourth Proportional to 3,155.25, 4,733.48 and 1,423.88

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Solution

The fourth proportional to 3,155.25, 4,733.48 and 1,423.88 is: 2,136.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.25 : 4,733.48 = 1,423.88 : x
  2. Step 2: Convert to fraction form
    3,155.25/4,733.48 = 1,423.88/x
  3. Step 3: Cross multiply
    3,155.25x = 4,733.48 × 1,423.88
  4. Step 4: Simplify right side
    3,155.25x = 6,739,887.39
  5. Step 5: Solve for x
    x = 6,739,887.39/3,155.25
  6. Step 6: Final answer
    x = 2,136.09

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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.