Home / 3,551.92-5,327.76-1,243.36

Finding the Fourth Proportional to 3,551.92, 5,327.76 and 1,243.36

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Solution

The fourth proportional to 3,551.92, 5,327.76 and 1,243.36 is: 1,865.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.92 : 5,327.76 = 1,243.36 : x
  2. Step 2: Convert to fraction form
    3,551.92/5,327.76 = 1,243.36/x
  3. Step 3: Cross multiply
    3,551.92x = 5,327.76 × 1,243.36
  4. Step 4: Simplify right side
    3,551.92x = 6,624,323.67
  5. Step 5: Solve for x
    x = 6,624,323.67/3,551.92
  6. Step 6: Final answer
    x = 1,865.00

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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.