Home / 3,370.52-5,054.56-1,422.87

Finding the Fourth Proportional to 3,370.52, 5,054.56 and 1,422.87

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Solution

The fourth proportional to 3,370.52, 5,054.56 and 1,422.87 is: 2,133.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.52 : 5,054.56 = 1,422.87 : x
  2. Step 2: Convert to fraction form
    3,370.52/5,054.56 = 1,422.87/x
  3. Step 3: Cross multiply
    3,370.52x = 5,054.56 × 1,422.87
  4. Step 4: Simplify right side
    3,370.52x = 7,191,981.79
  5. Step 5: Solve for x
    x = 7,191,981.79/3,370.52
  6. Step 6: Final answer
    x = 2,133.79

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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.