Home / 3,560.56-4,914.96-2,381.20

Finding the Fourth Proportional to 3,560.56, 4,914.96 and 2,381.20

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Solution

The fourth proportional to 3,560.56, 4,914.96 and 2,381.20 is: 3,286.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.56 : 4,914.96 = 2,381.20 : x
  2. Step 2: Convert to fraction form
    3,560.56/4,914.96 = 2,381.20/x
  3. Step 3: Cross multiply
    3,560.56x = 4,914.96 × 2,381.20
  4. Step 4: Simplify right side
    3,560.56x = 11,703,502.75
  5. Step 5: Solve for x
    x = 11,703,502.75/3,560.56
  6. Step 6: Final answer
    x = 3,286.98

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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.