Home / 3,154.86-4,730.67-1,422.54

Finding the Fourth Proportional to 3,154.86, 4,730.67 and 1,422.54

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Solution

The fourth proportional to 3,154.86, 4,730.67 and 1,422.54 is: 2,133.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.86 : 4,730.67 = 1,422.54 : x
  2. Step 2: Convert to fraction form
    3,154.86/4,730.67 = 1,422.54/x
  3. Step 3: Cross multiply
    3,154.86x = 4,730.67 × 1,422.54
  4. Step 4: Simplify right side
    3,154.86x = 6,729,567.30
  5. Step 5: Solve for x
    x = 6,729,567.30/3,154.86
  6. Step 6: Final answer
    x = 2,133.08

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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.