Home / 1,481.40-2,029.50-1,426.02

Finding the Fourth Proportional to 1,481.40, 2,029.50 and 1,426.02

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Solution

The fourth proportional to 1,481.40, 2,029.50 and 1,426.02 is: 1,953.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.40 : 2,029.50 = 1,426.02 : x
  2. Step 2: Convert to fraction form
    1,481.40/2,029.50 = 1,426.02/x
  3. Step 3: Cross multiply
    1,481.40x = 2,029.50 × 1,426.02
  4. Step 4: Simplify right side
    1,481.40x = 2,894,107.59
  5. Step 5: Solve for x
    x = 2,894,107.59/1,481.40
  6. Step 6: Final answer
    x = 1,953.63

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.