Home / 3,735.86-5,156.73-2,560.34

Finding the Fourth Proportional to 3,735.86, 5,156.73 and 2,560.34

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Solution

The fourth proportional to 3,735.86, 5,156.73 and 2,560.34 is: 3,534.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,735.86 : 5,156.73 = 2,560.34 : x
  2. Step 2: Convert to fraction form
    3,735.86/5,156.73 = 2,560.34/x
  3. Step 3: Cross multiply
    3,735.86x = 5,156.73 × 2,560.34
  4. Step 4: Simplify right side
    3,735.86x = 13,202,982.09
  5. Step 5: Solve for x
    x = 13,202,982.09/3,735.86
  6. Step 6: Final answer
    x = 3,534.12

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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.