Home / 3,200.20-4,417.06-2,138.02

Finding the Fourth Proportional to 3,200.20, 4,417.06 and 2,138.02

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Solution

The fourth proportional to 3,200.20, 4,417.06 and 2,138.02 is: 2,950.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.20 : 4,417.06 = 2,138.02 : x
  2. Step 2: Convert to fraction form
    3,200.20/4,417.06 = 2,138.02/x
  3. Step 3: Cross multiply
    3,200.20x = 4,417.06 × 2,138.02
  4. Step 4: Simplify right side
    3,200.20x = 9,443,762.62
  5. Step 5: Solve for x
    x = 9,443,762.62/3,200.20
  6. Step 6: Final answer
    x = 2,950.99

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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.