Home / 3,760.20-5,636.58-1,782.35

Finding the Fourth Proportional to 3,760.20, 5,636.58 and 1,782.35

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Solution

The fourth proportional to 3,760.20, 5,636.58 and 1,782.35 is: 2,671.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.20 : 5,636.58 = 1,782.35 : x
  2. Step 2: Convert to fraction form
    3,760.20/5,636.58 = 1,782.35/x
  3. Step 3: Cross multiply
    3,760.20x = 5,636.58 × 1,782.35
  4. Step 4: Simplify right side
    3,760.20x = 10,046,381.35
  5. Step 5: Solve for x
    x = 10,046,381.35/3,760.20
  6. Step 6: Final answer
    x = 2,671.77

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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.