Home / 3,200.28-4,416.99-1,803.03

Finding the Fourth Proportional to 3,200.28, 4,416.99 and 1,803.03

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Solution

The fourth proportional to 3,200.28, 4,416.99 and 1,803.03 is: 2,488.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.28 : 4,416.99 = 1,803.03 : x
  2. Step 2: Convert to fraction form
    3,200.28/4,416.99 = 1,803.03/x
  3. Step 3: Cross multiply
    3,200.28x = 4,416.99 × 1,803.03
  4. Step 4: Simplify right side
    3,200.28x = 7,963,965.48
  5. Step 5: Solve for x
    x = 7,963,965.48/3,200.28
  6. Step 6: Final answer
    x = 2,488.52

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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.