Home / 4,217.35-5,820.39-2,539.30

Finding the Fourth Proportional to 4,217.35, 5,820.39 and 2,539.30

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Solution

The fourth proportional to 4,217.35, 5,820.39 and 2,539.30 is: 3,504.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217.35 : 5,820.39 = 2,539.30 : x
  2. Step 2: Convert to fraction form
    4,217.35/5,820.39 = 2,539.30/x
  3. Step 3: Cross multiply
    4,217.35x = 5,820.39 × 2,539.30
  4. Step 4: Simplify right side
    4,217.35x = 14,779,716.33
  5. Step 5: Solve for x
    x = 14,779,716.33/4,217.35
  6. Step 6: Final answer
    x = 3,504.50

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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.