Home / 1,983.34-2,974.39-1,370.98

Finding the Fourth Proportional to 1,983.34, 2,974.39 and 1,370.98

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Solution

The fourth proportional to 1,983.34, 2,974.39 and 1,370.98 is: 2,056.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.34 : 2,974.39 = 1,370.98 : x
  2. Step 2: Convert to fraction form
    1,983.34/2,974.39 = 1,370.98/x
  3. Step 3: Cross multiply
    1,983.34x = 2,974.39 × 1,370.98
  4. Step 4: Simplify right side
    1,983.34x = 4,077,829.20
  5. Step 5: Solve for x
    x = 4,077,829.20/1,983.34
  6. Step 6: Final answer
    x = 2,056.04

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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.