Home / 3,260.40-4,499.43-1,983.84

Finding the Fourth Proportional to 3,260.40, 4,499.43 and 1,983.84

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Solution

The fourth proportional to 3,260.40, 4,499.43 and 1,983.84 is: 2,737.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.40 : 4,499.43 = 1,983.84 : x
  2. Step 2: Convert to fraction form
    3,260.40/4,499.43 = 1,983.84/x
  3. Step 3: Cross multiply
    3,260.40x = 4,499.43 × 1,983.84
  4. Step 4: Simplify right side
    3,260.40x = 8,926,165.42
  5. Step 5: Solve for x
    x = 8,926,165.42/3,260.40
  6. Step 6: Final answer
    x = 2,737.75

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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.