Home / 2,783.28-4,175.80-2,396.90

Finding the Fourth Proportional to 2,783.28, 4,175.80 and 2,396.90

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Solution

The fourth proportional to 2,783.28, 4,175.80 and 2,396.90 is: 3,596.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.28 : 4,175.80 = 2,396.90 : x
  2. Step 2: Convert to fraction form
    2,783.28/4,175.80 = 2,396.90/x
  3. Step 3: Cross multiply
    2,783.28x = 4,175.80 × 2,396.90
  4. Step 4: Simplify right side
    2,783.28x = 10,008,975.02
  5. Step 5: Solve for x
    x = 10,008,975.02/2,783.28
  6. Step 6: Final answer
    x = 3,596.11

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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.