Home / 3,757.94-5,637.71-1,125.65

Finding the Fourth Proportional to 3,757.94, 5,637.71 and 1,125.65

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Solution

The fourth proportional to 3,757.94, 5,637.71 and 1,125.65 is: 1,688.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.94 : 5,637.71 = 1,125.65 : x
  2. Step 2: Convert to fraction form
    3,757.94/5,637.71 = 1,125.65/x
  3. Step 3: Cross multiply
    3,757.94x = 5,637.71 × 1,125.65
  4. Step 4: Simplify right side
    3,757.94x = 6,346,088.26
  5. Step 5: Solve for x
    x = 6,346,088.26/3,757.94
  6. Step 6: Final answer
    x = 1,688.71

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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.