Home / 4,218.32-5,820.78-2,539.70

Finding the Fourth Proportional to 4,218.32, 5,820.78 and 2,539.70

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Solution

The fourth proportional to 4,218.32, 5,820.78 and 2,539.70 is: 3,504.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.32 : 5,820.78 = 2,539.70 : x
  2. Step 2: Convert to fraction form
    4,218.32/5,820.78 = 2,539.70/x
  3. Step 3: Cross multiply
    4,218.32x = 5,820.78 × 2,539.70
  4. Step 4: Simplify right side
    4,218.32x = 14,783,034.97
  5. Step 5: Solve for x
    x = 14,783,034.97/4,218.32
  6. Step 6: Final answer
    x = 3,504.48

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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.