Home / 3,177.63-4,385.14-1,850.85

Finding the Fourth Proportional to 3,177.63, 4,385.14 and 1,850.85

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Solution

The fourth proportional to 3,177.63, 4,385.14 and 1,850.85 is: 2,554.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.63 : 4,385.14 = 1,850.85 : x
  2. Step 2: Convert to fraction form
    3,177.63/4,385.14 = 1,850.85/x
  3. Step 3: Cross multiply
    3,177.63x = 4,385.14 × 1,850.85
  4. Step 4: Simplify right side
    3,177.63x = 8,116,231.74
  5. Step 5: Solve for x
    x = 8,116,231.74/3,177.63
  6. Step 6: Final answer
    x = 2,554.18

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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.