Home / 3,420.56-5,125.52-2,031.12

Finding the Fourth Proportional to 3,420.56, 5,125.52 and 2,031.12

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Solution

The fourth proportional to 3,420.56, 5,125.52 and 2,031.12 is: 3,043.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.56 : 5,125.52 = 2,031.12 : x
  2. Step 2: Convert to fraction form
    3,420.56/5,125.52 = 2,031.12/x
  3. Step 3: Cross multiply
    3,420.56x = 5,125.52 × 2,031.12
  4. Step 4: Simplify right side
    3,420.56x = 10,410,546.18
  5. Step 5: Solve for x
    x = 10,410,546.18/3,420.56
  6. Step 6: Final answer
    x = 3,043.52

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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.