Home / 3,479.49-4,799.21-2,219.22

Finding the Fourth Proportional to 3,479.49, 4,799.21 and 2,219.22

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Solution

The fourth proportional to 3,479.49, 4,799.21 and 2,219.22 is: 3,060.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.49 : 4,799.21 = 2,219.22 : x
  2. Step 2: Convert to fraction form
    3,479.49/4,799.21 = 2,219.22/x
  3. Step 3: Cross multiply
    3,479.49x = 4,799.21 × 2,219.22
  4. Step 4: Simplify right side
    3,479.49x = 10,650,491.72
  5. Step 5: Solve for x
    x = 10,650,491.72/3,479.49
  6. Step 6: Final answer
    x = 3,060.93

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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.