Home / 3,757.23-5,631.90-1,678.20

Finding the Fourth Proportional to 3,757.23, 5,631.90 and 1,678.20

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Solution

The fourth proportional to 3,757.23, 5,631.90 and 1,678.20 is: 2,515.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.23 : 5,631.90 = 1,678.20 : x
  2. Step 2: Convert to fraction form
    3,757.23/5,631.90 = 1,678.20/x
  3. Step 3: Cross multiply
    3,757.23x = 5,631.90 × 1,678.20
  4. Step 4: Simplify right side
    3,757.23x = 9,451,454.58
  5. Step 5: Solve for x
    x = 9,451,454.58/3,757.23
  6. Step 6: Final answer
    x = 2,515.54

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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.