Home / 1,950.36-2,921.21-1,400.88

Finding the Fourth Proportional to 1,950.36, 2,921.21 and 1,400.88

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Solution

The fourth proportional to 1,950.36, 2,921.21 and 1,400.88 is: 2,098.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.36 : 2,921.21 = 1,400.88 : x
  2. Step 2: Convert to fraction form
    1,950.36/2,921.21 = 1,400.88/x
  3. Step 3: Cross multiply
    1,950.36x = 2,921.21 × 1,400.88
  4. Step 4: Simplify right side
    1,950.36x = 4,092,264.66
  5. Step 5: Solve for x
    x = 4,092,264.66/1,950.36
  6. Step 6: Final answer
    x = 2,098.21

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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.