Home / 3,752.61-5,629.70-1,412.57

Finding the Fourth Proportional to 3,752.61, 5,629.70 and 1,412.57

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Solution

The fourth proportional to 3,752.61, 5,629.70 and 1,412.57 is: 2,119.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.61 : 5,629.70 = 1,412.57 : x
  2. Step 2: Convert to fraction form
    3,752.61/5,629.70 = 1,412.57/x
  3. Step 3: Cross multiply
    3,752.61x = 5,629.70 × 1,412.57
  4. Step 4: Simplify right side
    3,752.61x = 7,952,362.93
  5. Step 5: Solve for x
    x = 7,952,362.93/3,752.61
  6. Step 6: Final answer
    x = 2,119.15

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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.