Home / 4,218.54-5,820.60-2,449.08

Finding the Fourth Proportional to 4,218.54, 5,820.60 and 2,449.08

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Solution

The fourth proportional to 4,218.54, 5,820.60 and 2,449.08 is: 3,379.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.54 : 5,820.60 = 2,449.08 : x
  2. Step 2: Convert to fraction form
    4,218.54/5,820.60 = 2,449.08/x
  3. Step 3: Cross multiply
    4,218.54x = 5,820.60 × 2,449.08
  4. Step 4: Simplify right side
    4,218.54x = 14,255,115.05
  5. Step 5: Solve for x
    x = 14,255,115.05/4,218.54
  6. Step 6: Final answer
    x = 3,379.16

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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.