Home / 3,982.50-5,973.78-1,246.50

Finding the Fourth Proportional to 3,982.50, 5,973.78 and 1,246.50

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Solution

The fourth proportional to 3,982.50, 5,973.78 and 1,246.50 is: 1,869.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.50 : 5,973.78 = 1,246.50 : x
  2. Step 2: Convert to fraction form
    3,982.50/5,973.78 = 1,246.50/x
  3. Step 3: Cross multiply
    3,982.50x = 5,973.78 × 1,246.50
  4. Step 4: Simplify right side
    3,982.50x = 7,446,316.77
  5. Step 5: Solve for x
    x = 7,446,316.77/3,982.50
  6. Step 6: Final answer
    x = 1,869.76

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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.