Home / 3,757.97-5,636.93-1,125.51

Finding the Fourth Proportional to 3,757.97, 5,636.93 and 1,125.51

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Solution

The fourth proportional to 3,757.97, 5,636.93 and 1,125.51 is: 1,688.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.97 : 5,636.93 = 1,125.51 : x
  2. Step 2: Convert to fraction form
    3,757.97/5,636.93 = 1,125.51/x
  3. Step 3: Cross multiply
    3,757.97x = 5,636.93 × 1,125.51
  4. Step 4: Simplify right side
    3,757.97x = 6,344,415.46
  5. Step 5: Solve for x
    x = 6,344,415.46/3,757.97
  6. Step 6: Final answer
    x = 1,688.26

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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.