Home / 3,045.57-4,202.76-1,850.68

Finding the Fourth Proportional to 3,045.57, 4,202.76 and 1,850.68

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Solution

The fourth proportional to 3,045.57, 4,202.76 and 1,850.68 is: 2,553.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.57 : 4,202.76 = 1,850.68 : x
  2. Step 2: Convert to fraction form
    3,045.57/4,202.76 = 1,850.68/x
  3. Step 3: Cross multiply
    3,045.57x = 4,202.76 × 1,850.68
  4. Step 4: Simplify right side
    3,045.57x = 7,777,963.88
  5. Step 5: Solve for x
    x = 7,777,963.88/3,045.57
  6. Step 6: Final answer
    x = 2,553.86

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Half scale
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Double scale
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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.