Home / 4,217.64-5,820.96-2,448.90

Finding the Fourth Proportional to 4,217.64, 5,820.96 and 2,448.90

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Solution

The fourth proportional to 4,217.64, 5,820.96 and 2,448.90 is: 3,379.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217.64 : 5,820.96 = 2,448.90 : x
  2. Step 2: Convert to fraction form
    4,217.64/5,820.96 = 2,448.90/x
  3. Step 3: Cross multiply
    4,217.64x = 5,820.96 × 2,448.90
  4. Step 4: Simplify right side
    4,217.64x = 14,254,958.13
  5. Step 5: Solve for x
    x = 14,254,958.13/4,217.64
  6. Step 6: Final answer
    x = 3,379.85

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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.