Home / 2,700.14-4,050.21-1,398.88

Finding the Fourth Proportional to 2,700.14, 4,050.21 and 1,398.88

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Solution

The fourth proportional to 2,700.14, 4,050.21 and 1,398.88 is: 2,098.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.14 : 4,050.21 = 1,398.88 : x
  2. Step 2: Convert to fraction form
    2,700.14/4,050.21 = 1,398.88/x
  3. Step 3: Cross multiply
    2,700.14x = 4,050.21 × 1,398.88
  4. Step 4: Simplify right side
    2,700.14x = 5,665,737.51
  5. Step 5: Solve for x
    x = 5,665,737.51/2,700.14
  6. Step 6: Final answer
    x = 2,098.31

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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.