Home / 3,125.44-4,689.14-1,877.47

Finding the Fourth Proportional to 3,125.44, 4,689.14 and 1,877.47

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Solution

The fourth proportional to 3,125.44, 4,689.14 and 1,877.47 is: 2,816.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.44 : 4,689.14 = 1,877.47 : x
  2. Step 2: Convert to fraction form
    3,125.44/4,689.14 = 1,877.47/x
  3. Step 3: Cross multiply
    3,125.44x = 4,689.14 × 1,877.47
  4. Step 4: Simplify right side
    3,125.44x = 8,803,719.68
  5. Step 5: Solve for x
    x = 8,803,719.68/3,125.44
  6. Step 6: Final answer
    x = 2,816.79

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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.