Home / 3,126.93-4,690.59-1,046.85

Finding the Fourth Proportional to 3,126.93, 4,690.59 and 1,046.85

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Solution

The fourth proportional to 3,126.93, 4,690.59 and 1,046.85 is: 1,570.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.93 : 4,690.59 = 1,046.85 : x
  2. Step 2: Convert to fraction form
    3,126.93/4,690.59 = 1,046.85/x
  3. Step 3: Cross multiply
    3,126.93x = 4,690.59 × 1,046.85
  4. Step 4: Simplify right side
    3,126.93x = 4,910,344.14
  5. Step 5: Solve for x
    x = 4,910,344.14/3,126.93
  6. Step 6: Final answer
    x = 1,570.34

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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.