Home / 3,607.48-4,977.44-2,191.12

Finding the Fourth Proportional to 3,607.48, 4,977.44 and 2,191.12

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Solution

The fourth proportional to 3,607.48, 4,977.44 and 2,191.12 is: 3,023.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.48 : 4,977.44 = 2,191.12 : x
  2. Step 2: Convert to fraction form
    3,607.48/4,977.44 = 2,191.12/x
  3. Step 3: Cross multiply
    3,607.48x = 4,977.44 × 2,191.12
  4. Step 4: Simplify right side
    3,607.48x = 10,906,168.33
  5. Step 5: Solve for x
    x = 10,906,168.33/3,607.48
  6. Step 6: Final answer
    x = 3,023.21

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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.