Home / 3,450.64-5,160.20-2,573.76

Finding the Fourth Proportional to 3,450.64, 5,160.20 and 2,573.76

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Solution

The fourth proportional to 3,450.64, 5,160.20 and 2,573.76 is: 3,848.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.64 : 5,160.20 = 2,573.76 : x
  2. Step 2: Convert to fraction form
    3,450.64/5,160.20 = 2,573.76/x
  3. Step 3: Cross multiply
    3,450.64x = 5,160.20 × 2,573.76
  4. Step 4: Simplify right side
    3,450.64x = 13,281,116.35
  5. Step 5: Solve for x
    x = 13,281,116.35/3,450.64
  6. Step 6: Final answer
    x = 3,848.88

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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.