Home / 1,577.85-2,176.62-1,329.03

Finding the Fourth Proportional to 1,577.85, 2,176.62 and 1,329.03

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Solution

The fourth proportional to 1,577.85, 2,176.62 and 1,329.03 is: 1,833.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577.85 : 2,176.62 = 1,329.03 : x
  2. Step 2: Convert to fraction form
    1,577.85/2,176.62 = 1,329.03/x
  3. Step 3: Cross multiply
    1,577.85x = 2,176.62 × 1,329.03
  4. Step 4: Simplify right side
    1,577.85x = 2,892,793.28
  5. Step 5: Solve for x
    x = 2,892,793.28/1,577.85
  6. Step 6: Final answer
    x = 1,833.38

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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.