Home / 3,803.40-5,246.80-3,278.52

Finding the Fourth Proportional to 3,803.40, 5,246.80 and 3,278.52

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Solution

The fourth proportional to 3,803.40, 5,246.80 and 3,278.52 is: 4,522.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.40 : 5,246.80 = 3,278.52 : x
  2. Step 2: Convert to fraction form
    3,803.40/5,246.80 = 3,278.52/x
  3. Step 3: Cross multiply
    3,803.40x = 5,246.80 × 3,278.52
  4. Step 4: Simplify right side
    3,803.40x = 17,201,738.74
  5. Step 5: Solve for x
    x = 17,201,738.74/3,803.40
  6. Step 6: Final answer
    x = 4,522.73

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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.