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Finding the Fourth Proportional to 3,704.95, 5,561.76 and 2,925.47

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Solution

The fourth proportional to 3,704.95, 5,561.76 and 2,925.47 is: 4,391.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,704.95 : 5,561.76 = 2,925.47 : x
  2. Step 2: Convert to fraction form
    3,704.95/5,561.76 = 2,925.47/x
  3. Step 3: Cross multiply
    3,704.95x = 5,561.76 × 2,925.47
  4. Step 4: Simplify right side
    3,704.95x = 16,270,775.93
  5. Step 5: Solve for x
    x = 16,270,775.93/3,704.95
  6. Step 6: Final answer
    x = 4,391.63

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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.