Home / 3,126.55-4,690.41-1,046.36

Finding the Fourth Proportional to 3,126.55, 4,690.41 and 1,046.36

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Solution

The fourth proportional to 3,126.55, 4,690.41 and 1,046.36 is: 1,569.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.55 : 4,690.41 = 1,046.36 : x
  2. Step 2: Convert to fraction form
    3,126.55/4,690.41 = 1,046.36/x
  3. Step 3: Cross multiply
    3,126.55x = 4,690.41 × 1,046.36
  4. Step 4: Simplify right side
    3,126.55x = 4,907,857.41
  5. Step 5: Solve for x
    x = 4,907,857.41/3,126.55
  6. Step 6: Final answer
    x = 1,569.74

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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.