Home / 2,709.32-4,060.80-1,248.60

Finding the Fourth Proportional to 2,709.32, 4,060.80 and 1,248.60

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Solution

The fourth proportional to 2,709.32, 4,060.80 and 1,248.60 is: 1,871.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709.32 : 4,060.80 = 1,248.60 : x
  2. Step 2: Convert to fraction form
    2,709.32/4,060.80 = 1,248.60/x
  3. Step 3: Cross multiply
    2,709.32x = 4,060.80 × 1,248.60
  4. Step 4: Simplify right side
    2,709.32x = 5,070,314.88
  5. Step 5: Solve for x
    x = 5,070,314.88/2,709.32
  6. Step 6: Final answer
    x = 1,871.43

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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.