Home / 2,816.60-4,232.10-2,499.80

Finding the Fourth Proportional to 2,816.60, 4,232.10 and 2,499.80

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Solution

The fourth proportional to 2,816.60, 4,232.10 and 2,499.80 is: 3,756.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.60 : 4,232.10 = 2,499.80 : x
  2. Step 2: Convert to fraction form
    2,816.60/4,232.10 = 2,499.80/x
  3. Step 3: Cross multiply
    2,816.60x = 4,232.10 × 2,499.80
  4. Step 4: Simplify right side
    2,816.60x = 10,579,403.58
  5. Step 5: Solve for x
    x = 10,579,403.58/2,816.60
  6. Step 6: Final answer
    x = 3,756.09

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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.