Home / 2,239.40-3,352.70-1,983.40

Finding the Fourth Proportional to 2,239.40, 3,352.70 and 1,983.40

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Solution

The fourth proportional to 2,239.40, 3,352.70 and 1,983.40 is: 2,969.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.40 : 3,352.70 = 1,983.40 : x
  2. Step 2: Convert to fraction form
    2,239.40/3,352.70 = 1,983.40/x
  3. Step 3: Cross multiply
    2,239.40x = 3,352.70 × 1,983.40
  4. Step 4: Simplify right side
    2,239.40x = 6,649,745.18
  5. Step 5: Solve for x
    x = 6,649,745.18/2,239.40
  6. Step 6: Final answer
    x = 2,969.43

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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.