Home / 3,637.78-5,456.68-1,446.50

Finding the Fourth Proportional to 3,637.78, 5,456.68 and 1,446.50

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Solution

The fourth proportional to 3,637.78, 5,456.68 and 1,446.50 is: 2,169.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.78 : 5,456.68 = 1,446.50 : x
  2. Step 2: Convert to fraction form
    3,637.78/5,456.68 = 1,446.50/x
  3. Step 3: Cross multiply
    3,637.78x = 5,456.68 × 1,446.50
  4. Step 4: Simplify right side
    3,637.78x = 7,893,097.65
  5. Step 5: Solve for x
    x = 7,893,097.65/3,637.78
  6. Step 6: Final answer
    x = 2,169.76

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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.