Home / 3,171.87-4,377.20-1,846.34

Finding the Fourth Proportional to 3,171.87, 4,377.20 and 1,846.34

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Solution

The fourth proportional to 3,171.87, 4,377.20 and 1,846.34 is: 2,547.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.87 : 4,377.20 = 1,846.34 : x
  2. Step 2: Convert to fraction form
    3,171.87/4,377.20 = 1,846.34/x
  3. Step 3: Cross multiply
    3,171.87x = 4,377.20 × 1,846.34
  4. Step 4: Simplify right side
    3,171.87x = 8,081,799.45
  5. Step 5: Solve for x
    x = 8,081,799.45/3,171.87
  6. Step 6: Final answer
    x = 2,547.96

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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.