Home / 2,176.53-3,003.58-1,181.80

Finding the Fourth Proportional to 2,176.53, 3,003.58 and 1,181.80

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Solution

The fourth proportional to 2,176.53, 3,003.58 and 1,181.80 is: 1,630.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.53 : 3,003.58 = 1,181.80 : x
  2. Step 2: Convert to fraction form
    2,176.53/3,003.58 = 1,181.80/x
  3. Step 3: Cross multiply
    2,176.53x = 3,003.58 × 1,181.80
  4. Step 4: Simplify right side
    2,176.53x = 3,549,630.84
  5. Step 5: Solve for x
    x = 3,549,630.84/2,176.53
  6. Step 6: Final answer
    x = 1,630.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.