Home / 2,201.87-3,038.21-1,455.43

Finding the Fourth Proportional to 2,201.87, 3,038.21 and 1,455.43

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Solution

The fourth proportional to 2,201.87, 3,038.21 and 1,455.43 is: 2,008.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.87 : 3,038.21 = 1,455.43 : x
  2. Step 2: Convert to fraction form
    2,201.87/3,038.21 = 1,455.43/x
  3. Step 3: Cross multiply
    2,201.87x = 3,038.21 × 1,455.43
  4. Step 4: Simplify right side
    2,201.87x = 4,421,902.53
  5. Step 5: Solve for x
    x = 4,421,902.53/2,201.87
  6. Step 6: Final answer
    x = 2,008.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.