Home / 3,837.47-5,756.67-1,372.55

Finding the Fourth Proportional to 3,837.47, 5,756.67 and 1,372.55

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Solution

The fourth proportional to 3,837.47, 5,756.67 and 1,372.55 is: 2,058.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.47 : 5,756.67 = 1,372.55 : x
  2. Step 2: Convert to fraction form
    3,837.47/5,756.67 = 1,372.55/x
  3. Step 3: Cross multiply
    3,837.47x = 5,756.67 × 1,372.55
  4. Step 4: Simplify right side
    3,837.47x = 7,901,288.63
  5. Step 5: Solve for x
    x = 7,901,288.63/3,837.47
  6. Step 6: Final answer
    x = 2,058.99

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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.