Home / 2,559.12-3,819.99-2,196.24

Finding the Fourth Proportional to 2,559.12, 3,819.99 and 2,196.24

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Solution

The fourth proportional to 2,559.12, 3,819.99 and 2,196.24 is: 3,278.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559.12 : 3,819.99 = 2,196.24 : x
  2. Step 2: Convert to fraction form
    2,559.12/3,819.99 = 2,196.24/x
  3. Step 3: Cross multiply
    2,559.12x = 3,819.99 × 2,196.24
  4. Step 4: Simplify right side
    2,559.12x = 8,389,614.84
  5. Step 5: Solve for x
    x = 8,389,614.84/2,559.12
  6. Step 6: Final answer
    x = 3,278.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.