Home / 3,770.06-5,654.31-1,429.26

Finding the Fourth Proportional to 3,770.06, 5,654.31 and 1,429.26

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Solution

The fourth proportional to 3,770.06, 5,654.31 and 1,429.26 is: 2,143.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.06 : 5,654.31 = 1,429.26 : x
  2. Step 2: Convert to fraction form
    3,770.06/5,654.31 = 1,429.26/x
  3. Step 3: Cross multiply
    3,770.06x = 5,654.31 × 1,429.26
  4. Step 4: Simplify right side
    3,770.06x = 8,081,479.11
  5. Step 5: Solve for x
    x = 8,081,479.11/3,770.06
  6. Step 6: Final answer
    x = 2,143.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.