Home / 3,837.47-5,756.30-2,869.71

Finding the Fourth Proportional to 3,837.47, 5,756.30 and 2,869.71

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Solution

The fourth proportional to 3,837.47, 5,756.30 and 2,869.71 is: 4,304.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.47 : 5,756.30 = 2,869.71 : x
  2. Step 2: Convert to fraction form
    3,837.47/5,756.30 = 2,869.71/x
  3. Step 3: Cross multiply
    3,837.47x = 5,756.30 × 2,869.71
  4. Step 4: Simplify right side
    3,837.47x = 16,518,897.32
  5. Step 5: Solve for x
    x = 16,518,897.32/3,837.47
  6. Step 6: Final answer
    x = 4,304.64

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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.