Home / 3,715.02-5,563.62-2,151.72

Finding the Fourth Proportional to 3,715.02, 5,563.62 and 2,151.72

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Solution

The fourth proportional to 3,715.02, 5,563.62 and 2,151.72 is: 3,222.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.02 : 5,563.62 = 2,151.72 : x
  2. Step 2: Convert to fraction form
    3,715.02/5,563.62 = 2,151.72/x
  3. Step 3: Cross multiply
    3,715.02x = 5,563.62 × 2,151.72
  4. Step 4: Simplify right side
    3,715.02x = 11,971,352.43
  5. Step 5: Solve for x
    x = 11,971,352.43/3,715.02
  6. Step 6: Final answer
    x = 3,222.42

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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.