Home / 2,505.35-3,758.88-1,119.64

Finding the Fourth Proportional to 2,505.35, 3,758.88 and 1,119.64

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Solution

The fourth proportional to 2,505.35, 3,758.88 and 1,119.64 is: 1,679.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505.35 : 3,758.88 = 1,119.64 : x
  2. Step 2: Convert to fraction form
    2,505.35/3,758.88 = 1,119.64/x
  3. Step 3: Cross multiply
    2,505.35x = 3,758.88 × 1,119.64
  4. Step 4: Simplify right side
    2,505.35x = 4,208,583.01
  5. Step 5: Solve for x
    x = 4,208,583.01/2,505.35
  6. Step 6: Final answer
    x = 1,679.84

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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.