Home / 4,156.73-5,736.87-2,388.30

Finding the Fourth Proportional to 4,156.73, 5,736.87 and 2,388.30

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Solution

The fourth proportional to 4,156.73, 5,736.87 and 2,388.30 is: 3,296.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.73 : 5,736.87 = 2,388.30 : x
  2. Step 2: Convert to fraction form
    4,156.73/5,736.87 = 2,388.30/x
  3. Step 3: Cross multiply
    4,156.73x = 5,736.87 × 2,388.30
  4. Step 4: Simplify right side
    4,156.73x = 13,701,360.65
  5. Step 5: Solve for x
    x = 13,701,360.65/4,156.73
  6. Step 6: Final answer
    x = 3,296.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.