Home / 3,757.12-5,633.64-1,124.26

Finding the Fourth Proportional to 3,757.12, 5,633.64 and 1,124.26

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Solution

The fourth proportional to 3,757.12, 5,633.64 and 1,124.26 is: 1,685.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.12 : 5,633.64 = 1,124.26 : x
  2. Step 2: Convert to fraction form
    3,757.12/5,633.64 = 1,124.26/x
  3. Step 3: Cross multiply
    3,757.12x = 5,633.64 × 1,124.26
  4. Step 4: Simplify right side
    3,757.12x = 6,333,676.11
  5. Step 5: Solve for x
    x = 6,333,676.11/3,757.12
  6. Step 6: Final answer
    x = 1,685.78

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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.