Home / 3,780.90-5,671.44-1,184.04

Finding the Fourth Proportional to 3,780.90, 5,671.44 and 1,184.04

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Solution

The fourth proportional to 3,780.90, 5,671.44 and 1,184.04 is: 1,776.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.90 : 5,671.44 = 1,184.04 : x
  2. Step 2: Convert to fraction form
    3,780.90/5,671.44 = 1,184.04/x
  3. Step 3: Cross multiply
    3,780.90x = 5,671.44 × 1,184.04
  4. Step 4: Simplify right side
    3,780.90x = 6,715,211.82
  5. Step 5: Solve for x
    x = 6,715,211.82/3,780.90
  6. Step 6: Final answer
    x = 1,776.09

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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.