Home / 2,712.64-4,071.84-1,739.56

Finding the Fourth Proportional to 2,712.64, 4,071.84 and 1,739.56

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Solution

The fourth proportional to 2,712.64, 4,071.84 and 1,739.56 is: 2,611.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.64 : 4,071.84 = 1,739.56 : x
  2. Step 2: Convert to fraction form
    2,712.64/4,071.84 = 1,739.56/x
  3. Step 3: Cross multiply
    2,712.64x = 4,071.84 × 1,739.56
  4. Step 4: Simplify right side
    2,712.64x = 7,083,209.99
  5. Step 5: Solve for x
    x = 7,083,209.99/2,712.64
  6. Step 6: Final answer
    x = 2,611.19

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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.