Home / 3,770.08-5,655.56-1,431.84

Finding the Fourth Proportional to 3,770.08, 5,655.56 and 1,431.84

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Solution

The fourth proportional to 3,770.08, 5,655.56 and 1,431.84 is: 2,147.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.08 : 5,655.56 = 1,431.84 : x
  2. Step 2: Convert to fraction form
    3,770.08/5,655.56 = 1,431.84/x
  3. Step 3: Cross multiply
    3,770.08x = 5,655.56 × 1,431.84
  4. Step 4: Simplify right side
    3,770.08x = 8,097,853.26
  5. Step 5: Solve for x
    x = 8,097,853.26/3,770.08
  6. Step 6: Final answer
    x = 2,147.93

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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.