Home / 4,115.20-5,677.48-2,623.79

Finding the Fourth Proportional to 4,115.20, 5,677.48 and 2,623.79

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Solution

The fourth proportional to 4,115.20, 5,677.48 and 2,623.79 is: 3,619.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.20 : 5,677.48 = 2,623.79 : x
  2. Step 2: Convert to fraction form
    4,115.20/5,677.48 = 2,623.79/x
  3. Step 3: Cross multiply
    4,115.20x = 5,677.48 × 2,623.79
  4. Step 4: Simplify right side
    4,115.20x = 14,896,515.25
  5. Step 5: Solve for x
    x = 14,896,515.25/4,115.20
  6. Step 6: Final answer
    x = 3,619.88

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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.