Home / 3,200.92-4,416.25-1,803.40

Finding the Fourth Proportional to 3,200.92, 4,416.25 and 1,803.40

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Solution

The fourth proportional to 3,200.92, 4,416.25 and 1,803.40 is: 2,488.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.92 : 4,416.25 = 1,803.40 : x
  2. Step 2: Convert to fraction form
    3,200.92/4,416.25 = 1,803.40/x
  3. Step 3: Cross multiply
    3,200.92x = 4,416.25 × 1,803.40
  4. Step 4: Simplify right side
    3,200.92x = 7,964,265.25
  5. Step 5: Solve for x
    x = 7,964,265.25/3,200.92
  6. Step 6: Final answer
    x = 2,488.12

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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.