Home / 2,707.56-4,052.16-1,719.90

Finding the Fourth Proportional to 2,707.56, 4,052.16 and 1,719.90

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Solution

The fourth proportional to 2,707.56, 4,052.16 and 1,719.90 is: 2,574.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.56 : 4,052.16 = 1,719.90 : x
  2. Step 2: Convert to fraction form
    2,707.56/4,052.16 = 1,719.90/x
  3. Step 3: Cross multiply
    2,707.56x = 4,052.16 × 1,719.90
  4. Step 4: Simplify right side
    2,707.56x = 6,969,309.98
  5. Step 5: Solve for x
    x = 6,969,309.98/2,707.56
  6. Step 6: Final answer
    x = 2,574.02

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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.