Home / 3,269.06-4,905.90-1,420.71

Finding the Fourth Proportional to 3,269.06, 4,905.90 and 1,420.71

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Solution

The fourth proportional to 3,269.06, 4,905.90 and 1,420.71 is: 2,132.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.06 : 4,905.90 = 1,420.71 : x
  2. Step 2: Convert to fraction form
    3,269.06/4,905.90 = 1,420.71/x
  3. Step 3: Cross multiply
    3,269.06x = 4,905.90 × 1,420.71
  4. Step 4: Simplify right side
    3,269.06x = 6,969,855.86
  5. Step 5: Solve for x
    x = 6,969,855.86/3,269.06
  6. Step 6: Final answer
    x = 2,132.07

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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.