Home / 3,174.54-4,381.25-1,995.45

Finding the Fourth Proportional to 3,174.54, 4,381.25 and 1,995.45

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Solution

The fourth proportional to 3,174.54, 4,381.25 and 1,995.45 is: 2,753.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.54 : 4,381.25 = 1,995.45 : x
  2. Step 2: Convert to fraction form
    3,174.54/4,381.25 = 1,995.45/x
  3. Step 3: Cross multiply
    3,174.54x = 4,381.25 × 1,995.45
  4. Step 4: Simplify right side
    3,174.54x = 8,742,555.34
  5. Step 5: Solve for x
    x = 8,742,555.34/3,174.54
  6. Step 6: Final answer
    x = 2,753.96

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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.