Home / 1,623.81-2,241.21-1,357.95

Finding the Fourth Proportional to 1,623.81, 2,241.21 and 1,357.95

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Solution

The fourth proportional to 1,623.81, 2,241.21 and 1,357.95 is: 1,874.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.81 : 2,241.21 = 1,357.95 : x
  2. Step 2: Convert to fraction form
    1,623.81/2,241.21 = 1,357.95/x
  3. Step 3: Cross multiply
    1,623.81x = 2,241.21 × 1,357.95
  4. Step 4: Simplify right side
    1,623.81x = 3,043,451.12
  5. Step 5: Solve for x
    x = 3,043,451.12/1,623.81
  6. Step 6: Final answer
    x = 1,874.27

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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.