Home / 3,747.52-5,621.73-1,282.89

Finding the Fourth Proportional to 3,747.52, 5,621.73 and 1,282.89

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Solution

The fourth proportional to 3,747.52, 5,621.73 and 1,282.89 is: 1,924.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.52 : 5,621.73 = 1,282.89 : x
  2. Step 2: Convert to fraction form
    3,747.52/5,621.73 = 1,282.89/x
  3. Step 3: Cross multiply
    3,747.52x = 5,621.73 × 1,282.89
  4. Step 4: Simplify right side
    3,747.52x = 7,212,054.79
  5. Step 5: Solve for x
    x = 7,212,054.79/3,747.52
  6. Step 6: Final answer
    x = 1,924.49

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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.