Home / 4,218.88-5,816.40-2,958.24

Finding the Fourth Proportional to 4,218.88, 5,816.40 and 2,958.24

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Solution

The fourth proportional to 4,218.88, 5,816.40 and 2,958.24 is: 4,078.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.88 : 5,816.40 = 2,958.24 : x
  2. Step 2: Convert to fraction form
    4,218.88/5,816.40 = 2,958.24/x
  3. Step 3: Cross multiply
    4,218.88x = 5,816.40 × 2,958.24
  4. Step 4: Simplify right side
    4,218.88x = 17,206,307.14
  5. Step 5: Solve for x
    x = 17,206,307.14/4,218.88
  6. Step 6: Final answer
    x = 4,078.41

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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.