Home / 3,134.88-4,699.44-1,402.56

Finding the Fourth Proportional to 3,134.88, 4,699.44 and 1,402.56

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Solution

The fourth proportional to 3,134.88, 4,699.44 and 1,402.56 is: 2,102.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.88 : 4,699.44 = 1,402.56 : x
  2. Step 2: Convert to fraction form
    3,134.88/4,699.44 = 1,402.56/x
  3. Step 3: Cross multiply
    3,134.88x = 4,699.44 × 1,402.56
  4. Step 4: Simplify right side
    3,134.88x = 6,591,246.57
  5. Step 5: Solve for x
    x = 6,591,246.57/3,134.88
  6. Step 6: Final answer
    x = 2,102.55

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1.5x scale

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.