Home / 3,887.36-5,362.56-2,709.44

Finding the Fourth Proportional to 3,887.36, 5,362.56 and 2,709.44

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Solution

The fourth proportional to 3,887.36, 5,362.56 and 2,709.44 is: 3,737.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.36 : 5,362.56 = 2,709.44 : x
  2. Step 2: Convert to fraction form
    3,887.36/5,362.56 = 2,709.44/x
  3. Step 3: Cross multiply
    3,887.36x = 5,362.56 × 2,709.44
  4. Step 4: Simplify right side
    3,887.36x = 14,529,534.57
  5. Step 5: Solve for x
    x = 14,529,534.57/3,887.36
  6. Step 6: Final answer
    x = 3,737.64

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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.