Home / 3,542.33-5,313.50-1,321.18

Finding the Fourth Proportional to 3,542.33, 5,313.50 and 1,321.18

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Solution

The fourth proportional to 3,542.33, 5,313.50 and 1,321.18 is: 1,981.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.33 : 5,313.50 = 1,321.18 : x
  2. Step 2: Convert to fraction form
    3,542.33/5,313.50 = 1,321.18/x
  3. Step 3: Cross multiply
    3,542.33x = 5,313.50 × 1,321.18
  4. Step 4: Simplify right side
    3,542.33x = 7,020,074.99
  5. Step 5: Solve for x
    x = 7,020,074.99/3,542.33
  6. Step 6: Final answer
    x = 1,981.77

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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.