Home / 4,245.89-5,859.69-2,478.06

Finding the Fourth Proportional to 4,245.89, 5,859.69 and 2,478.06

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Solution

The fourth proportional to 4,245.89, 5,859.69 and 2,478.06 is: 3,419.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.89 : 5,859.69 = 2,478.06 : x
  2. Step 2: Convert to fraction form
    4,245.89/5,859.69 = 2,478.06/x
  3. Step 3: Cross multiply
    4,245.89x = 5,859.69 × 2,478.06
  4. Step 4: Simplify right side
    4,245.89x = 14,520,668.05
  5. Step 5: Solve for x
    x = 14,520,668.05/4,245.89
  6. Step 6: Final answer
    x = 3,419.94

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Half scale
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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.