Home / 3,014.88-4,156.70-2,481.90

Finding the Fourth Proportional to 3,014.88, 4,156.70 and 2,481.90

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Solution

The fourth proportional to 3,014.88, 4,156.70 and 2,481.90 is: 3,421.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.88 : 4,156.70 = 2,481.90 : x
  2. Step 2: Convert to fraction form
    3,014.88/4,156.70 = 2,481.90/x
  3. Step 3: Cross multiply
    3,014.88x = 4,156.70 × 2,481.90
  4. Step 4: Simplify right side
    3,014.88x = 10,316,501.32
  5. Step 5: Solve for x
    x = 10,316,501.32/3,014.88
  6. Step 6: Final answer
    x = 3,421.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.