Home / 2,756.20-4,131.60-2,464.60

Finding the Fourth Proportional to 2,756.20, 4,131.60 and 2,464.60

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Solution

The fourth proportional to 2,756.20, 4,131.60 and 2,464.60 is: 3,694.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.20 : 4,131.60 = 2,464.60 : x
  2. Step 2: Convert to fraction form
    2,756.20/4,131.60 = 2,464.60/x
  3. Step 3: Cross multiply
    2,756.20x = 4,131.60 × 2,464.60
  4. Step 4: Simplify right side
    2,756.20x = 10,182,741.36
  5. Step 5: Solve for x
    x = 10,182,741.36/2,756.20
  6. Step 6: Final answer
    x = 3,694.49

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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.