Home / 2,814.70-4,222.05-2,498.80

Finding the Fourth Proportional to 2,814.70, 4,222.05 and 2,498.80

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Solution

The fourth proportional to 2,814.70, 4,222.05 and 2,498.80 is: 3,748.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.70 : 4,222.05 = 2,498.80 : x
  2. Step 2: Convert to fraction form
    2,814.70/4,222.05 = 2,498.80/x
  3. Step 3: Cross multiply
    2,814.70x = 4,222.05 × 2,498.80
  4. Step 4: Simplify right side
    2,814.70x = 10,550,058.54
  5. Step 5: Solve for x
    x = 10,550,058.54/2,814.70
  6. Step 6: Final answer
    x = 3,748.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.