Home / 3,200.43-4,420.53-2,314.83

Finding the Fourth Proportional to 3,200.43, 4,420.53 and 2,314.83

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Solution

The fourth proportional to 3,200.43, 4,420.53 and 2,314.83 is: 3,197.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.43 : 4,420.53 = 2,314.83 : x
  2. Step 2: Convert to fraction form
    3,200.43/4,420.53 = 2,314.83/x
  3. Step 3: Cross multiply
    3,200.43x = 4,420.53 × 2,314.83
  4. Step 4: Simplify right side
    3,200.43x = 10,232,775.46
  5. Step 5: Solve for x
    x = 10,232,775.46/3,200.43
  6. Step 6: Final answer
    x = 3,197.31

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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.