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Finding the Fourth Proportional to 2,483.85, 3,726.27 and 841.56

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Solution

The fourth proportional to 2,483.85, 3,726.27 and 841.56 is: 1,262.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,483.85 : 3,726.27 = 841.56 : x
  2. Step 2: Convert to fraction form
    2,483.85/3,726.27 = 841.56/x
  3. Step 3: Cross multiply
    2,483.85x = 3,726.27 × 841.56
  4. Step 4: Simplify right side
    2,483.85x = 3,135,879.78
  5. Step 5: Solve for x
    x = 3,135,879.78/2,483.85
  6. Step 6: Final answer
    x = 1,262.51

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1.5x scale

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.