Home / 3,780.57-5,645.36-3,088.59

Finding the Fourth Proportional to 3,780.57, 5,645.36 and 3,088.59

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Solution

The fourth proportional to 3,780.57, 5,645.36 and 3,088.59 is: 4,612.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.57 : 5,645.36 = 3,088.59 : x
  2. Step 2: Convert to fraction form
    3,780.57/5,645.36 = 3,088.59/x
  3. Step 3: Cross multiply
    3,780.57x = 5,645.36 × 3,088.59
  4. Step 4: Simplify right side
    3,780.57x = 17,436,202.44
  5. Step 5: Solve for x
    x = 17,436,202.44/3,780.57
  6. Step 6: Final answer
    x = 4,612.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.