Home / 3,083.40-4,250.70-1,903.68

Finding the Fourth Proportional to 3,083.40, 4,250.70 and 1,903.68

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Solution

The fourth proportional to 3,083.40, 4,250.70 and 1,903.68 is: 2,624.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.40 : 4,250.70 = 1,903.68 : x
  2. Step 2: Convert to fraction form
    3,083.40/4,250.70 = 1,903.68/x
  3. Step 3: Cross multiply
    3,083.40x = 4,250.70 × 1,903.68
  4. Step 4: Simplify right side
    3,083.40x = 8,091,972.58
  5. Step 5: Solve for x
    x = 8,091,972.58/3,083.40
  6. Step 6: Final answer
    x = 2,624.37

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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.