Home / 3,780.32-5,671.71-1,589.66

Finding the Fourth Proportional to 3,780.32, 5,671.71 and 1,589.66

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Solution

The fourth proportional to 3,780.32, 5,671.71 and 1,589.66 is: 2,385.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.32 : 5,671.71 = 1,589.66 : x
  2. Step 2: Convert to fraction form
    3,780.32/5,671.71 = 1,589.66/x
  3. Step 3: Cross multiply
    3,780.32x = 5,671.71 × 1,589.66
  4. Step 4: Simplify right side
    3,780.32x = 9,016,090.52
  5. Step 5: Solve for x
    x = 9,016,090.52/3,780.32
  6. Step 6: Final answer
    x = 2,385.01

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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.