Home / 1,306.50-1,801.37-1,025.86

Finding the Fourth Proportional to 1,306.50, 1,801.37 and 1,025.86

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Solution

The fourth proportional to 1,306.50, 1,801.37 and 1,025.86 is: 1,414.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306.50 : 1,801.37 = 1,025.86 : x
  2. Step 2: Convert to fraction form
    1,306.50/1,801.37 = 1,025.86/x
  3. Step 3: Cross multiply
    1,306.50x = 1,801.37 × 1,025.86
  4. Step 4: Simplify right side
    1,306.50x = 1,847,953.43
  5. Step 5: Solve for x
    x = 1,847,953.43/1,306.50
  6. Step 6: Final answer
    x = 1,414.43

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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.