Home / 3,200.63-4,803.69-2,278.45

Finding the Fourth Proportional to 3,200.63, 4,803.69 and 2,278.45

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Solution

The fourth proportional to 3,200.63, 4,803.69 and 2,278.45 is: 3,419.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.63 : 4,803.69 = 2,278.45 : x
  2. Step 2: Convert to fraction form
    3,200.63/4,803.69 = 2,278.45/x
  3. Step 3: Cross multiply
    3,200.63x = 4,803.69 × 2,278.45
  4. Step 4: Simplify right side
    3,200.63x = 10,944,943.46
  5. Step 5: Solve for x
    x = 10,944,943.46/3,200.63
  6. Step 6: Final answer
    x = 3,419.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.