Home / 3,780.27-5,671.62-1,589.09

Finding the Fourth Proportional to 3,780.27, 5,671.62 and 1,589.09

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Solution

The fourth proportional to 3,780.27, 5,671.62 and 1,589.09 is: 2,384.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.27 : 5,671.62 = 1,589.09 : x
  2. Step 2: Convert to fraction form
    3,780.27/5,671.62 = 1,589.09/x
  3. Step 3: Cross multiply
    3,780.27x = 5,671.62 × 1,589.09
  4. Step 4: Simplify right side
    3,780.27x = 9,012,686.27
  5. Step 5: Solve for x
    x = 9,012,686.27/3,780.27
  6. Step 6: Final answer
    x = 2,384.14

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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.