Home / 4,218.87-5,820.17-2,449.53

Finding the Fourth Proportional to 4,218.87, 5,820.17 and 2,449.53

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Solution

The fourth proportional to 4,218.87, 5,820.17 and 2,449.53 is: 3,379.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.87 : 5,820.17 = 2,449.53 : x
  2. Step 2: Convert to fraction form
    4,218.87/5,820.17 = 2,449.53/x
  3. Step 3: Cross multiply
    4,218.87x = 5,820.17 × 2,449.53
  4. Step 4: Simplify right side
    4,218.87x = 14,256,681.02
  5. Step 5: Solve for x
    x = 14,256,681.02/4,218.87
  6. Step 6: Final answer
    x = 3,379.27

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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.