Home / 3,171.45-4,374.84-1,845.01

Finding the Fourth Proportional to 3,171.45, 4,374.84 and 1,845.01

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Solution

The fourth proportional to 3,171.45, 4,374.84 and 1,845.01 is: 2,545.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.45 : 4,374.84 = 1,845.01 : x
  2. Step 2: Convert to fraction form
    3,171.45/4,374.84 = 1,845.01/x
  3. Step 3: Cross multiply
    3,171.45x = 4,374.84 × 1,845.01
  4. Step 4: Simplify right side
    3,171.45x = 8,071,623.55
  5. Step 5: Solve for x
    x = 8,071,623.55/3,171.45
  6. Step 6: Final answer
    x = 2,545.09

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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.