Home / 2,720.34-4,079.16-1,333.08

Finding the Fourth Proportional to 2,720.34, 4,079.16 and 1,333.08

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Solution

The fourth proportional to 2,720.34, 4,079.16 and 1,333.08 is: 1,998.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.34 : 4,079.16 = 1,333.08 : x
  2. Step 2: Convert to fraction form
    2,720.34/4,079.16 = 1,333.08/x
  3. Step 3: Cross multiply
    2,720.34x = 4,079.16 × 1,333.08
  4. Step 4: Simplify right side
    2,720.34x = 5,437,846.61
  5. Step 5: Solve for x
    x = 5,437,846.61/2,720.34
  6. Step 6: Final answer
    x = 1,998.96

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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.