Home / 3,903.05-5,386.58-2,224.86

Finding the Fourth Proportional to 3,903.05, 5,386.58 and 2,224.86

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Solution

The fourth proportional to 3,903.05, 5,386.58 and 2,224.86 is: 3,070.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.05 : 5,386.58 = 2,224.86 : x
  2. Step 2: Convert to fraction form
    3,903.05/5,386.58 = 2,224.86/x
  3. Step 3: Cross multiply
    3,903.05x = 5,386.58 × 2,224.86
  4. Step 4: Simplify right side
    3,903.05x = 11,984,375.25
  5. Step 5: Solve for x
    x = 11,984,375.25/3,903.05
  6. Step 6: Final answer
    x = 3,070.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.