Home / 4,219.76-5,818.97-2,540.84

Finding the Fourth Proportional to 4,219.76, 5,818.97 and 2,540.84

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Solution

The fourth proportional to 4,219.76, 5,818.97 and 2,540.84 is: 3,503.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.76 : 5,818.97 = 2,540.84 : x
  2. Step 2: Convert to fraction form
    4,219.76/5,818.97 = 2,540.84/x
  3. Step 3: Cross multiply
    4,219.76x = 5,818.97 × 2,540.84
  4. Step 4: Simplify right side
    4,219.76x = 14,785,048.99
  5. Step 5: Solve for x
    x = 14,785,048.99/4,219.76
  6. Step 6: Final answer
    x = 3,503.76

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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.