Home / 2,176.12-3,245.81-1,847.80

Finding the Fourth Proportional to 2,176.12, 3,245.81 and 1,847.80

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Solution

The fourth proportional to 2,176.12, 3,245.81 and 1,847.80 is: 2,756.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.12 : 3,245.81 = 1,847.80 : x
  2. Step 2: Convert to fraction form
    2,176.12/3,245.81 = 1,847.80/x
  3. Step 3: Cross multiply
    2,176.12x = 3,245.81 × 1,847.80
  4. Step 4: Simplify right side
    2,176.12x = 5,997,607.72
  5. Step 5: Solve for x
    x = 5,997,607.72/2,176.12
  6. Step 6: Final answer
    x = 2,756.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.