Home / 4,218.42-5,820.84-2,540.50

Finding the Fourth Proportional to 4,218.42, 5,820.84 and 2,540.50

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Solution

The fourth proportional to 4,218.42, 5,820.84 and 2,540.50 is: 3,505.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.42 : 5,820.84 = 2,540.50 : x
  2. Step 2: Convert to fraction form
    4,218.42/5,820.84 = 2,540.50/x
  3. Step 3: Cross multiply
    4,218.42x = 5,820.84 × 2,540.50
  4. Step 4: Simplify right side
    4,218.42x = 14,787,844.02
  5. Step 5: Solve for x
    x = 14,787,844.02/4,218.42
  6. Step 6: Final answer
    x = 3,505.54

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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.