Home / 3,723.37-5,129.83-2,881.17

Finding the Fourth Proportional to 3,723.37, 5,129.83 and 2,881.17

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Solution

The fourth proportional to 3,723.37, 5,129.83 and 2,881.17 is: 3,969.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.37 : 5,129.83 = 2,881.17 : x
  2. Step 2: Convert to fraction form
    3,723.37/5,129.83 = 2,881.17/x
  3. Step 3: Cross multiply
    3,723.37x = 5,129.83 × 2,881.17
  4. Step 4: Simplify right side
    3,723.37x = 14,779,915.90
  5. Step 5: Solve for x
    x = 14,779,915.90/3,723.37
  6. Step 6: Final answer
    x = 3,969.50

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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.