Home / 2,650.92-3,975.08-801.68

Finding the Fourth Proportional to 2,650.92, 3,975.08 and 801.68

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Solution

The fourth proportional to 2,650.92, 3,975.08 and 801.68 is: 1,202.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.92 : 3,975.08 = 801.68 : x
  2. Step 2: Convert to fraction form
    2,650.92/3,975.08 = 801.68/x
  3. Step 3: Cross multiply
    2,650.92x = 3,975.08 × 801.68
  4. Step 4: Simplify right side
    2,650.92x = 3,186,742.13
  5. Step 5: Solve for x
    x = 3,186,742.13/2,650.92
  6. Step 6: Final answer
    x = 1,202.13

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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.