Home / 4,218.68-5,820-2,540.08

Finding the Fourth Proportional to 4,218.68, 5,820 and 2,540.08

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Solution

The fourth proportional to 4,218.68, 5,820 and 2,540.08 is: 3,504.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.68 : 5,820 = 2,540.08 : x
  2. Step 2: Convert to fraction form
    4,218.68/5,820 = 2,540.08/x
  3. Step 3: Cross multiply
    4,218.68x = 5,820 × 2,540.08
  4. Step 4: Simplify right side
    4,218.68x = 14,783,265.60
  5. Step 5: Solve for x
    x = 14,783,265.60/4,218.68
  6. Step 6: Final answer
    x = 3,504.24

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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.