Home / 3,656.53-5,046.47-2,816.56

Finding the Fourth Proportional to 3,656.53, 5,046.47 and 2,816.56

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Solution

The fourth proportional to 3,656.53, 5,046.47 and 2,816.56 is: 3,887.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.53 : 5,046.47 = 2,816.56 : x
  2. Step 2: Convert to fraction form
    3,656.53/5,046.47 = 2,816.56/x
  3. Step 3: Cross multiply
    3,656.53x = 5,046.47 × 2,816.56
  4. Step 4: Simplify right side
    3,656.53x = 14,213,685.54
  5. Step 5: Solve for x
    x = 14,213,685.54/3,656.53
  6. Step 6: Final answer
    x = 3,887.21

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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.