Home / 1,351.55-2,029.05-1,043.63

Finding the Fourth Proportional to 1,351.55, 2,029.05 and 1,043.63

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Solution

The fourth proportional to 1,351.55, 2,029.05 and 1,043.63 is: 1,566.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351.55 : 2,029.05 = 1,043.63 : x
  2. Step 2: Convert to fraction form
    1,351.55/2,029.05 = 1,043.63/x
  3. Step 3: Cross multiply
    1,351.55x = 2,029.05 × 1,043.63
  4. Step 4: Simplify right side
    1,351.55x = 2,117,577.45
  5. Step 5: Solve for x
    x = 2,117,577.45/1,351.55
  6. Step 6: Final answer
    x = 1,566.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.