Home / 3,221.02-4,443.37-2,008.70

Finding the Fourth Proportional to 3,221.02, 4,443.37 and 2,008.70

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Solution

The fourth proportional to 3,221.02, 4,443.37 and 2,008.70 is: 2,770.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.02 : 4,443.37 = 2,008.70 : x
  2. Step 2: Convert to fraction form
    3,221.02/4,443.37 = 2,008.70/x
  3. Step 3: Cross multiply
    3,221.02x = 4,443.37 × 2,008.70
  4. Step 4: Simplify right side
    3,221.02x = 8,925,411.74
  5. Step 5: Solve for x
    x = 8,925,411.74/3,221.02
  6. Step 6: Final answer
    x = 2,770.99

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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.