Home / 3,747.90-5,622.69-1,282.62

Finding the Fourth Proportional to 3,747.90, 5,622.69 and 1,282.62

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Solution

The fourth proportional to 3,747.90, 5,622.69 and 1,282.62 is: 1,924.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.90 : 5,622.69 = 1,282.62 : x
  2. Step 2: Convert to fraction form
    3,747.90/5,622.69 = 1,282.62/x
  3. Step 3: Cross multiply
    3,747.90x = 5,622.69 × 1,282.62
  4. Step 4: Simplify right side
    3,747.90x = 7,211,774.65
  5. Step 5: Solve for x
    x = 7,211,774.65/3,747.90
  6. Step 6: Final answer
    x = 1,924.22

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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.