Home / 3,656.12-5,047.04-2,331.56

Finding the Fourth Proportional to 3,656.12, 5,047.04 and 2,331.56

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Solution

The fourth proportional to 3,656.12, 5,047.04 and 2,331.56 is: 3,218.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.12 : 5,047.04 = 2,331.56 : x
  2. Step 2: Convert to fraction form
    3,656.12/5,047.04 = 2,331.56/x
  3. Step 3: Cross multiply
    3,656.12x = 5,047.04 × 2,331.56
  4. Step 4: Simplify right side
    3,656.12x = 11,767,477.54
  5. Step 5: Solve for x
    x = 11,767,477.54/3,656.12
  6. Step 6: Final answer
    x = 3,218.57

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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.