Home / 1,787.24-2,462.74-1,609.88

Finding the Fourth Proportional to 1,787.24, 2,462.74 and 1,609.88

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Solution

The fourth proportional to 1,787.24, 2,462.74 and 1,609.88 is: 2,218.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787.24 : 2,462.74 = 1,609.88 : x
  2. Step 2: Convert to fraction form
    1,787.24/2,462.74 = 1,609.88/x
  3. Step 3: Cross multiply
    1,787.24x = 2,462.74 × 1,609.88
  4. Step 4: Simplify right side
    1,787.24x = 3,964,715.87
  5. Step 5: Solve for x
    x = 3,964,715.87/1,787.24
  6. Step 6: Final answer
    x = 2,218.35

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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.