Home / 1,903.85-2,634.50-1,623.64

Finding the Fourth Proportional to 1,903.85, 2,634.50 and 1,623.64

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Solution

The fourth proportional to 1,903.85, 2,634.50 and 1,623.64 is: 2,246.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903.85 : 2,634.50 = 1,623.64 : x
  2. Step 2: Convert to fraction form
    1,903.85/2,634.50 = 1,623.64/x
  3. Step 3: Cross multiply
    1,903.85x = 2,634.50 × 1,623.64
  4. Step 4: Simplify right side
    1,903.85x = 4,277,479.58
  5. Step 5: Solve for x
    x = 4,277,479.58/1,903.85
  6. Step 6: Final answer
    x = 2,246.75

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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.