Home / 3,943.40-5,914.24-1,602.80

Finding the Fourth Proportional to 3,943.40, 5,914.24 and 1,602.80

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Solution

The fourth proportional to 3,943.40, 5,914.24 and 1,602.80 is: 2,403.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.40 : 5,914.24 = 1,602.80 : x
  2. Step 2: Convert to fraction form
    3,943.40/5,914.24 = 1,602.80/x
  3. Step 3: Cross multiply
    3,943.40x = 5,914.24 × 1,602.80
  4. Step 4: Simplify right side
    3,943.40x = 9,479,343.87
  5. Step 5: Solve for x
    x = 9,479,343.87/3,943.40
  6. Step 6: Final answer
    x = 2,403.85

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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.