Home / 3,542.94-5,315.32-3,320.58

Finding the Fourth Proportional to 3,542.94, 5,315.32 and 3,320.58

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Solution

The fourth proportional to 3,542.94, 5,315.32 and 3,320.58 is: 4,981.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.94 : 5,315.32 = 3,320.58 : x
  2. Step 2: Convert to fraction form
    3,542.94/5,315.32 = 3,320.58/x
  3. Step 3: Cross multiply
    3,542.94x = 5,315.32 × 3,320.58
  4. Step 4: Simplify right side
    3,542.94x = 17,649,945.29
  5. Step 5: Solve for x
    x = 17,649,945.29/3,542.94
  6. Step 6: Final answer
    x = 4,981.72

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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.