Home / 4,077.40-5,623.68-2,749

Finding the Fourth Proportional to 4,077.40, 5,623.68 and 2,749

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Solution

The fourth proportional to 4,077.40, 5,623.68 and 2,749 is: 3,791.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.40 : 5,623.68 = 2,749 : x
  2. Step 2: Convert to fraction form
    4,077.40/5,623.68 = 2,749/x
  3. Step 3: Cross multiply
    4,077.40x = 5,623.68 × 2,749
  4. Step 4: Simplify right side
    4,077.40x = 15,459,496.32
  5. Step 5: Solve for x
    x = 15,459,496.32/4,077.40
  6. Step 6: Final answer
    x = 3,791.51

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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.