Home / 1,632.09-2,434.36-1,385.85

Finding the Fourth Proportional to 1,632.09, 2,434.36 and 1,385.85

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Solution

The fourth proportional to 1,632.09, 2,434.36 and 1,385.85 is: 2,067.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.09 : 2,434.36 = 1,385.85 : x
  2. Step 2: Convert to fraction form
    1,632.09/2,434.36 = 1,385.85/x
  3. Step 3: Cross multiply
    1,632.09x = 2,434.36 × 1,385.85
  4. Step 4: Simplify right side
    1,632.09x = 3,373,654.34
  5. Step 5: Solve for x
    x = 3,373,654.34/1,632.09
  6. Step 6: Final answer
    x = 2,067.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.